Manufacturer | iSpring |
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Part Number | RCC7AK |
Item Weight | 20 pounds |
Product Dimensions | 15.5 x 5.1 x 19.5 inches |
Country of Origin | China |
Item model number | RCC7AK |
Is Discontinued By Manufacturer | No |
Color | White |
Style | Filter System |
Material | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene |
Power Source | No Power Needed |
Item Package Quantity | 1 |
Number of Handles | 1 |
Certification | (unset) |
Included Components | RO System, Brushed Nickel Faucet, Storage Tank, Extra Tool Set |
Batteries Included? | No |
Batteries Required? | No |
Battery Cell Type | Alkaline |
Warranty Description | 1 year manufacturer limited warranty |
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iSpring RCC7AK, NSF Certified 75 GPD, 6-Stage Reverse Osmosis System, pH+ Alkaline Remineralization RO Water Filter System Under Sink, Superb Taste Drinking Water Filter
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Brand | ISpring |
Color | White |
Material | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene |
Capacity | 75 Gallons |
Included Components | RO System, Brushed Nickel Faucet, Storage Tank, Extra Tool Set |
Product Dimensions | 15.5"L x 5.1"W x 19.5"H |
Purification Method | Reverse Osmosis, Alkaline, Activated Carbon, Carbon block |
Power Source | No Power Needed |
Item Weight | 20 Pounds |
Model Name | RCC7AK |
About this item
- Make sure this fits by entering your model number.
- Certified to NSF/ANSI 58, 6-Stage Alkaline Remineralization Layered Filtration - Exclusively designed to restore the natural alkalinity and mineral balance of water; this reliable and ultra-safe Reverse Osmosis (RO) water filtration system converts your water into clean, pure and healthy drinking water by removing up to 99% of over 1,000 harmful contaminants like chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, calcium, sodium and more.
- GREAT-TASTING MINERAL WATER - A standard 5 stage RO system produces slightly acidic water with a pH of 7. 0 or below because the RO membrane removes not only harmful pollutants but also a few helpful minerals. The iSpring RCC7AK Reverse Osmosis water filter includes an additional 6th stage - an Alkaline Remineralization filter which restores healthy minerals and produces a balanced alkalinity, which gives your water a more natural taste than regular 5 stage RO water filter.
- LOW MAINTENANCE - Transparent 1st stage housing for easy visual inspection. Three extra long life pre-filters to remove large contaminants and protect RO membrane. Ultra fine (RO) filter to remove contaminants down to 0. 0001 microns; fine GAC filter to provide final polishing to the purified water and (AK) filter to finally restore just the right proportion of healthy minerals and a natural alkaline balance. The end result is great-tasting bottled-water quality.
- EASY TO INSTALL & NO LEAKS - The water purifier is designed for do-it-yourself installation and all necessary parts for installation are included. Backed by clear installation manual, instructional videos, and access to life-time technical support. The entire alkaline water filter fits nicely under a kitchen sink. For leak-free installation, simply push tubing ½ inch deep into quick-fitting connectors and lock; no threading pipes needed.
- 100% SATISFIED CUSTOMERS - RCC7AK from America’s favorite brand of under sink water filter is the highly rated reverse osmosis systems. Comes with 1-year limited manufacturer warranty upon registration and lifetime personalized support from GA, USA, combined with premium quality components, this water filter is to deliver endless bottled quality drinking water right in your home for many years to come, eliminating plastic waste.
Additional Details


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What's in the box
From the brand

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How did we get our start?
Realizing that clean water is essential to human beings, we started our venture in 2005 in Atlanta, Georgia. During the past decades, we continuously expanded the product line with the aim of supplying safe and healthy water to every household.
What makes our products unique?
Customers are our top priority. With hassle free DIY installation and lifetime technical support, we stand out when compared to others.
Why do we love what we do?
We fully recognize our responsibility in providing clean water to humans while decreasing the environmental impact of plastic waste.
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Product Description

Key Features of iSpring Reverse Osmosis System Under Sink
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6-Stage Reverse Osmosis SystemThe iSpring RCC7AK water filter is a multi-layered filter system that provides optimal protection against over 1,000 different types of contaminants, including arsenic, asbestos, chlorine, fluoride, lead (removes up to 98%), calcium, mercury, sodium and more. Safeguard your health by choosing iSpring as your first choice! |
Alkaline RemineralizationA standard 5-stage RO system produces slightly acidic water with a pH of 7.0 or below. With an Alkaline Remineralization filter, the RCC7AK restores healthy minerals and produces a balanced alkalinity, giving the water a better taste. It uses all-natural mineral stones as the filtration media and never sacrifices quality for quantity. |
NSF Certified TDS ReductionThe iSpring RCC7 line is America's favorite brand of water filter systems. All of our systems go through rigorous testing for air leaks, pressure, and cycle resistance to maintain our premium quality and high-performance standards. It is certified against NSF 58/ANSI for TDS reduction (58 for reverse osmosis). |
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Transparent 1st Stage HousingProvides an easy way to visually inspect the sediment filter and view the contaminants being removed from your water. The transparent housing will give you a better idea of when it's time for a filter change before a problem occurs. |
Leak-Free SystemPush-to-connect fittings and 4-color coordinated tubings simplify the installation process and prevent leaking. The o-rings are made of premium materials to make sure that the filters will be properly sealed without any leakage. |
Online Support VideosWe know that a high percentage of our customers prefer a Do-it-yourself installation. We are investing in video production and an aftermarket platform to provide our customers the resources necessary for successful installation and maintenance. |
Live Technical SupportiSpring always stands by our customers. Contact our expert support team for personal assistance in selecting the right system for your water filtration needs or troubleshooting your water filtration system. Now, and years from now, we will be right here and ready to help! |



What are included
- Machine head with RO housing, 5th stage FT15 and 6th stage FA15
- Pre-filter Housings (2 opaque 1 transparent) & Housing wrenches
- Complete filter pack including Alkaline pH filter
- 3.2 gallon pressurized tank (2.5 gallon holding capacity)
- Lead-free brushed nickel faucet
- 4-Color tubings (1/4" OD) & Spare fittings & O-rings
- Feedwater adapter (fits both 1/2" NPT & 3/8" COMP)
- Drain saddle & Water detector
Why iSpring RCC7AK
Featuring some of the longest-lasting filters in the industry, the Reverse Osmosis system consists of 6 stages, each one designed to progressively remove contaminants and improve water quality:
- 3 Pre-filters: PP sediment filter. Carbon KDF (GAC) filter. Carbon block (CTO) filter. They remove large contaminants and protect the RO membrane from chemicals like chlorine and chloramines.
- The heart of the system is the Reverse Osmosis (RO) filter that removes contaminants down to 0.0001 microns – so small that only water molecules can squeeze through and virtually nothing else.
- Fine GAC filter provides final polishing before the purified water is delivered to the faucet.
- An Alkaline Remineralization filter restores healthy minerals and a natural alkaline balance, while also producing a more natural taste.
- The end result is great-tasting bottled-water quality.
- A booster pump is needed if the water inlet pressure is below 45 psi.
- A pressure regulator is needed for water pressure 70 psi or above.
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RCC7 | RCC7AK | RCC7AK-UV | RCC7P-AK | RCC1UP-AK | RO500AK-BN | |
Removes dissolved solids, chemicals and metals | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Mineral Drinking Water | - | ✓ | ✓ | ✓ | ✓ | ✓ |
Capacity (GPD) | 75 | 75 | 75 | 75 | 100 | 500 |
Pure to Drain Ratio | 1:3 | 1:3 | 1:3 | 1:1.5 | 1:1.5 | 2:1 |
Power Cord | Not Required | Not Required | ✓ | ✓ | ✓ | ✓ |
Water Inlet Pressure Range | 45 - 70 psi | 45 - 70 psi | 45 - 70 psi | 30 - 70 psi | 30 - 70 psi | 15 - 70 psi |
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F3 | F4 | F9K | F19K75 | F28K75 | F5-75 | |
Pieces | 3 | 4 | 9 | 19 | 28 | 5 |
Filtration Performance | Removes sediments, dust, sand, chlorine, fluoride and odors | Removes sediments, dust, sand, chlorine, fluoride and odors | Removes sediments, dust, sand, chlorine, fluoride, odors and restores healthy minerals | Removes sediments, dust, sand, chlorine, fluoride, lead, arsenic, asbestos, calcium, odors and restores healthy minerals | Removes sediments, dust, sand, chlorine, fluoride, lead, arsenic, asbestos, calcium, odors and restores healthy minerals | Removes sediments, dust, sand, chlorine, fluoride, lead, arsenic, asbestos, calcium, odors and restores healthy minerals |
Compatible Model | RCC7AK, RCC7P-AK, RCC7, RCC7P, RCC7AK-UV, RCC7D, RCC7U, RCC100P, RCC1UP, RCC1UP-AK | RCC7AK, RCC7P-AK, RCC7, RCC7P, RCC7AK-UV, RCC7D, RCC7U, RCC100P, RCC1UP, RCC1UP-AK | RCC7AK, RCC7AK-UV, RCC7P-AK, RCC1UP-AK | RCC7AK, RCC7AK-UV, RCC7P-AK | RCC7AK, RCC7AK-UV, RCC7P-AK | RCC7AK, RCC7AK-UV, RCC7P-AK, RCC7, RCC7D, RCC7P, RCC7U |
Compare with similar items
![]() This item iSpring RCC7AK, NSF Certified 75 GPD, 6-Stage Reverse Osmosis System, pH+ Alkaline Remineralization RO Water Filter System Under Sink, Superb Taste Drinking Water Filter | ![]() iSpring RO500AK-BN Tankless RO Reverse Osmosis Water Filtration System, 500 GPD Fast Flow with Natural pH Alkaline Remineralization, Brushed Nickel Faucet, 2:1 Pure to Drain Ratio, White. | ![]() iSpring RCC1UP-AK 100GPD Under Sink 7-Stage Reverse Osmosis RO Drinking Filtration System and Water Filter for Sink with Alkaline Remineralization, Booster Pump and UV Ultraviolet Filter, White | ![]() iSpring RCC7P-AK 6-Stage Reverse Osmosis System Under Sink with Alkaline Water Filter and Pump, pH+, 75 GPD, TDS Reduction, RO Drinking Water Filtration System | ![]() iSpring RCC7AK-UV, NSF Certified, 75GPD 7-Stage Under Sink Reverse Osmosis RO Drinking Water Filtration System with Alkaline Remineralization Filter and UV Ultraviolet Filter | ![]() iSpring PH100 pH+ 6-Stage Under Sink Reverse Osmosis RO Drinking Water Filtration System 100 GPD Fast Flow 1:1 Pure to Waste Ratio with Alkaline Remineralization, US Made Filters | |
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Customer Rating | 4.7 out of 5 stars (8864) | 4.6 out of 5 stars (275) | 4.6 out of 5 stars (693) | 4.7 out of 5 stars (976) | 4.7 out of 5 stars (1244) | 4.7 out of 5 stars (171) |
Price | $216.74$216.74 | $520.00$520.00 | $381.77$381.77 | $296.41$296.41 | $294.93$294.93 | $319.59$319.59 |
Shipping | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping. Details |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com |
Brand Name | iSpring | iSpring | iSpring | iSpring | iSpring | iSpring |
Capacity | 75.00 gallons | 0.4 gallons | 100.00 gallons | 75.00 gallons | 75.00 gallons | 100 gallons |
Color | White | White | White | White | White | White |
Included Components | RO System, Brushed Nickel Faucet, Storage Tank, Extra Tool Set | Tubing,System, Feed water adapter, Drain saddle, Faucet, Power supply, Manual | housings, filters, parts and tubings, faucet and mounting bracket | RO System, Brushed Nickel Faucet, Storage Tank, Filter Cartridges with RO Membrane | housings, filters, parts and tubings, faucet and mounting bracket | housings, filters, parts and tubings, faucet, mounting bracket |
Item Dimensions | 15.5 x 5.1 x 19.5 inches | 17.5 x 5.2 x 16.25 inches | 15.35 x 9.06 x 18.11 inches | 15 x 8 x 18 inches | 15 x 8 x 18 inches | 14.2 x 5.25 x 17 inches |
Item Weight | 20.00 lbs | — | 35.27 lbs | 20.00 lbs | 28.00 lbs | — |
Material | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene | — | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene | Polyethylene, Polypropylene, Plastic, Acrylonitrile Butadiene Styrene, Polystyrene |
Power Source | No Power Needed | — | Corded Electric | Corded Electric | Corded Electric | — |
Product information
Technical Details
Additional Information
ASIN | B005LJ8EXU |
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Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #4,653 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Under-Sink & Countertop Filtration |
Domestic Shipping | Item can be shipped within U.S. |
International Shipping | This item can be shipped to select countries outside of the U.S. Learn More |
Date First Available | September 6, 2011 |
Warranty & Support
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Reviewed in the United States on March 15, 2018
Top reviews from the United States
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1) The package was kind of heavy. I had to grunt a bit when picking it up. (Hey, I had to find SOMETHING!)
But I'm pretty critical, so I'll update this review if I find any more gripes. I guess I should include I almost wet my pants when I heard a loud snap when installing the RO membrane cartridge in its housing while their customer service guy was on the line (see below). But everything worked out just fine after I checked to see if the cartridge survived and if I needed to change my underwear.
Likes:
1) I won't say it was a breeze because it does take a few hours. However, there are YouTube videos by the company and some by individuals installing this product and systems by other companies. The extensive directions with the system say in bold print to watch the video first. I say watch as many different videos as you can. I discovered many tips that iSpring didn't mention including using the drill bit you just drilled to keep the hole aligned why installing the "drain saddle".
I did a "leisure time" installation. That is, I unwrapped the filters and put them in their housing while sitting in my easy chair. Before I knew it, I was 75% done! All I had to do then was empty out the area under the sink, grab my tools and work light, and start installing the feed water adapter. (I decided not to call it a "thingy", so I had to go the trouble just now of looking up the name of the part in their glossary.)
2) Their customer support was great! They did some very patient hand-holding over the phone. For example, the instruction manual shows an old style threaded compression fitting for the faucet they provide. Well, I missed seeing that they included a flyer with update instructions mentioning that a new part provided was easier to install, and no you don't have to use the blue clips on the faucet side. That really made it easy!
I was also concerned that the RO membrane cartridge was resisting my efforts. I was afraid of breaking it, but some threads were still showing on the housing. So while talking to one of the guys, I became a bit more aggressive in tightening it and heard a way too loud "snap"! I guess mine fit a bit tighter than most as it works perfectly. Whew!
3) Their documentation is excellent! Not only are the illustrations very clear with appropriate use of color in routing the lines they provided a parts list, additional products (of course!), and extensive theory on how RO works, dissolved solids, even minerals and life forms that can and cannot be removed by RO. This was almost "Reverse Osmosis 101"!
4) The parts are high quality! Some bozo here gave them a rating of "1" because the items are made from polymers! Was he expecting for everything to be made of surgical stainless? My god, even plumbers in their own homes use "plastic", and have for the last 40 years! This guy was either an idiot or a dishonest competitor. You can't even BUY a system made of metal!
Installed it yesterday, filled and drained the tank twice, and went to bed. This morning I go to the kitchen and find a happy face note stuck to the faucet saying "I like it!". I also bought a tds meter to test my ro water, which is 25 tds, and used it to test some bottled water. Found out that some of the expensive waters that taste like dirt, register on my meter like dirt too! Nestle pure life was one of the better waters tested and it recorded a 35 tds.
We've both had 5 stage ro water in the past and found it to taste very bland so I had my doubts that the ph filter would fix the problem, but it sure did! If my wife is happy, then there's a very good chance that you will be too!
Update:. It's been a year now and I'm still using my original filters and our water still tastes great. TDS meter reads 18 filtered and 168 tap water. There's just the two of us and it's used for all drinking and ice. No leaks, no problems. We'd give six stars if we could.
2 year update.
Changed filters for the first time because wife noticed taste change. TDS was still under 20. Changed all except the ro membrane. All is great again.
I've been very impressed with the build quality and level of instructions given for a product of this price. We did see our TPM drop from 320 down to a permanent 13 (I'm assuming because of the remineralization) and now that I have it hooked up to the fridge as well, our automatic ice-maker produces crystal clear cubes.
Top reviews from other countries

EDIT: After 9 months of use and searching for last few months for the replacement filters, I came to realise how bad iSpring after sale product care in Europe is, be warned if you buy this system you will probably be out of options for replacement filters, which will make this system useless (This was the only replacement pack available when I was buying the system, but very shortly after my purchase went out of stock and never came back as available again: https://www.amazon.co.uk/iSpring-F28K75-Replacement-6-Stage-Filtration/dp/B00BNGRIX2/ref=sr_1_4?ie=UTF8&qid=1535051692&sr=8-4&keywords=ispring+filter+pack ) . Really disappointed at this point now and would recommend to other buyers to choose some filter system which is made in EU. Unfortunately because my system is not really recommended to use any more and I cannot find any replacement filters I have given now 1 star rather then 5. I will keep updating for any changes.

so I have suspended installation for that tedious and annoying trip to the plumbing merchants! very frustrating! Would it really hurt to supply 2 or 3 different sizes / types of feed adapter and charge a few £ extra to avoid that kind of hassle?
Quality of tap (faucet for yanks) seems good, as does the rest of the kit.

Reviewed in the United Kingdom on June 28, 2020
so I have suspended installation for that tedious and annoying trip to the plumbing merchants! very frustrating! Would it really hurt to supply 2 or 3 different sizes / types of feed adapter and charge a few £ extra to avoid that kind of hassle?
Quality of tap (faucet for yanks) seems good, as does the rest of the kit.



No more plastic bottles of water, it will pay for itself, including running costs, in under three years.
We selected this one as is one of very few in the UK that offer the remineralisation stage. Nobody wanted distilled water for drinking water and Reverse Osmosis filtered water is very close to distilled water.
Even though its of USA origin, the supplied inlet water fittings fit UK metric 15mm plumbing parts. In the end, I didn't use them, as in my installation, the isolator valve would have been located behind the kitchen sink bowl at the base of the cold tap. I fitted a 15mm to 3/4" BSP washing machine tap and 3/4" BSP to 1/4" reducer, to have the isolator in a more accessable location. Thats a detail.
I elected to hang it on the left side of a cupboard so that the pipes in/out of the unit are away from the door and accidental damage. This has put the clear first stage filter holder at the back of the cupboard. In six months, when I replace the filters, I may replumb it so the input water is at one end and the output at the other. The water path between the various elements is all external, in 1/4" push fit connectors, so swapping the 1st and 3rd stage filter locations isn't difficult.
The DIY installation instructions are clear and easy to follow. Installation took me about four hours, including fitting my extra washing machine tap, to the start of the commissioning cycle. I left all the provided coloured pipes full length and coiled up the excess. This allows the unit to be lifted out of the cupboard to depressurise it for filter changes without undoing the couplings in the cupboard first.
All in all, very pleased. We should have got one years ago.

When I first installed it the water was milky, I emailed the seller and he asked for photos of the set up which I sent but heard nothing back, I have since learned this is normal as it's small bubbles escaping from the filters and takes about 2 weeks to clear.
However that never happened with us, our water has always had a funny smell to it, almost like the smell of washing machine water.
We've never been impressed do we've never drank this water, however last week I finally had a spare few hours so I thought I'd look into it and maybe change the filters or something. I striped it down and found the sediment filter was still pure white, according to reviews after a few months it goes brown or yellow, also the main RO membrane felt slimy, again this is apparently not normal.
Anyway, after a couple of hours of figuring out how this works it turns out it was connected up wrong, not my part but the parts that are pre connected and apparently 'ready to use'.
Obviously my tank etc were now fully of none filtered water so getting this thing cleaned was next to impossible, it also had a tiny leak from the pre connected pipes that I just couldn't stop.
I contacted Amazon about this and even though it's been 7 months they offered me a return.
I have since bought another system off Amazon which is £149 and pumped. Although this has a slightly smaller drum the rest is about the same size and the quality of the connectors is far better. Also the instructions are far clearer and well written. We finally have clear and filtered water but not from the ispring system.
I would save your money and search others on amazon.


Reviewed in the United Kingdom on May 15, 2021
