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Watts Premier 531105 RO-Pure Annual Filter Pack

4.8 out of 5 stars 167 customer reviews
| 3 answered questions

Price: $67.46 & FREE Shipping. Details
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  • Imported
  • Includes two sediment prefilters, part number 105311^Includes two carbon prefilters, part number 105351^Includes one carbon postfilter, part number 105341^Filters change out at the push of a button^These filters will not fit the Watts 1/4 turn quick Change Reverse Osmosis System
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$67.46 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Watts Premier 531105 RO-Pure Annual Filter Pack
  • +
  • ORIGINAL Watts Premier (105331) RO PURE (RO-4) MEMBRANE
  • +
  • Watts Premier (105341) RO Pure Carbon Post Filter GAC Filter (Blue)
Total price: $127.46
Buy the selected items together

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Product Description

Product Description

This RO Pure replacement water filter kit provides a complete one year supply of filters for your Four Stage RO Pure reverse osmosis system. This kit includes two sediment prefilters (105311), two carbon prefilters (105351) and one carbon postfilter (105341). This is everything you need for a full year of operation. The RO Membrane is sold separately as it does not require annual replacement. The Watts RO-Pure reverse osmosis system consists of a stage 1 five micron sediment filter that traps particulate matter like dirt, rust, and silt that will affect the taste and appearance of your water. Stage 2 is a five micron carbon block filter that reduces chloramines, chlorine as well as other materials that cause bad taste and odors (these are called PRE-filters because they filter in front of the reverse osmosis membrane). Stage 3 is the heart of the reverse osmosis system, the RO Membrane. This 50-Gallon per day semi permeable membrane will effectively reduce TDS (total dissolved solids), Sodium and a wide range of contaminants such as Lead, Arsenic, Perchlorate, Chromium, Copper and Radium. It will also remove over 99.95-Percent cysts such as Giardia and Cryptosporidium.

From the Manufacturer

This RO Pure replacement water filter kit provides a complete one year supply of filters for your Four Stage RO Pure reverse osmosis system. This kit includes two sediment prefilters (105311), two carbon prefilters (105351) and one carbon postfilter (105341). This is everything you need for a full year of operation. The RO Membrane is sold separately as it does not require annual replacement. The Watts RO-Pure reverse osmosis system consists of a stage 1 five micron sediment filter that traps particulate matter like dirt, rust, and silt that will affect the taste and appearance of your water. Stage 2 is a five micron carbon block filter that reduces chloramines, chlorine as well as other materials that cause bad taste and odors (these are called PRE-filters because they filter in front of the reverse osmosis membrane). Stage 3 is the heart of the reverse osmosis system, the RO Membrane. This 50-Gallon per day semi permeable membrane will effectively reduce TDS (total dissolved solids), Sodium and a wide range of contaminants such as Lead, Arsenic, Perchlorate, Chromium, Copper and Radium. It will also remove over 99.95-Percent cysts such as Giardia and Cryptosporidium.

Product Information

Technical Details

Part Number 531105
Item Weight 4.5 pounds
Product Dimensions 11.5 x 2 x 2 inches
California residents Click here for Proposition 65 warning
Item model number 531105
Size 2" x 2" x 11.5"
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B002YOQ0C2
Customer Reviews
4.8 out of 5 stars 167 customer reviews

4.8 out of 5 stars
Best Sellers Rank #4,504 in Home Improvements (See top 100)
#4 in Home Improvement > Kitchen & Bath Fixtures > Water Filtration & Softeners > Water Softeners
Shipping Weight 3.4 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available October 19, 2006

Warranty & Support

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

The RO-Pure filter (and consequently the replacement filter pack) is fantastic. See the (currently) 100% 5 star reviews on Watts Premier RO-Pure 4-Stage Reverse Osmosis System for more details. The 5 stars goes equally to the replacement filter set.

That said, I agree with the other reviewers that the price here (currently ranging from $71.35 w/free shipping, or $76.98 w/Prime eligibility) is not a good deal. Yes, you can order directly from Watts for about $65 plus $10 shipping (making it pretty much a wash, and I'd rather go with Amazon in that case), but I'll point out that if you're a Costco member (where you most likely purchased this unit in the first place), this 5 piece replacement filter set ordered online from them is only $50, with free shipping. So, you can guess where I order this from. Once more, however, just because the price isn't great here does not mean that this product deserves anything less than a full 5 stars. This system is one of the best investments I've made in a long time, and these filters are super simple to swap out.
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If you have the Watts R.O system, you need this replacement filter pack. It's available at different prices at different times, so shop around. This is the right number of filters for one year. You also need to replace the green labeled filter every 2-5 years, you can get that directly from Watts or from Reverse Osmosis Superstore online.
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Verified Purchase
We bought this unit of replacement filters 2 separate times. The first time, the reverse osmosis filter broke soon after installing it, like within a few days. The company said it was ' virtually impossible' to have received a faulty unit. So we hired a plumber to look at the filtration system and he was scratching his head at why the water would just barely drizzle out. All we knew was it worked fine before we replaced the filters.
The company gave us a list of steps to try and only then would they consider sending a new part out. So we actually tired everything they said And finally they took back the reverse osmosis filter and guess what, it WAS faulty. They did send us a new one, but we had already spent hours on problem solving and the paid the plumber to come out-- so it was NOT a good deal for us.
The next year, it started not working again ( no water pressure, only a drizzle of water) and by then, my husband knew all the tricks to try and it was that darn reverse osmosis filter again ( the most critical and expensive part). When he took it out, the pressure was fine, when he put it back, it didnt work again.
My husband tried repeatedly to get the company to send a new one. They just did not respond to the many inquires. finally, we gave up. Unit bad, zero customer service.
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Verified Purchase
This is an awesome one year kit. The cartridges are easy to change with almost no mess. At the one year mark, you do need to follow the product instructions to clean tank out as well. After 2 years, there is a green membrane cartridge Watts Premier original RO-PURE 50 GPD Membrane you need to change (at least if you have the 4 stage) and that is not included with this kit.
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Verified Purchase
I have been using watts for two years almost and up until a month ago I was happy with it. Two months ago my carbon filter got jammed after only three weeks!! I have shipped the clogged filter on my expense to watts and two things happened that we're not cool 1- I got no reply from them in any form to give me the results of the filter test, no email and no phone call. 2- when I called them they couldn't give an answer to why there filter got jammed, I am sorry but if your product fails them man up and take responsibility and offer some relief but this wasn't the case.
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Verified Purchase
This has been a good system for the last 5 plus years. Rural on a well and this RO system works. Easy to change filters. Faucet has developed a slight drip over time but to be expected as the amount of dissolved limestone in our well water creates heavy deposits. All these types of systems use drip overflow drain tube. It took experimenting with the drain tube location to get rid of the sound of dripping into the sink plumbing. Ended up tapping into the top of the horizontal drain pipe between the two sink wells to get rid of the noise. Tapping into the vertical drain as install instructions suggest allowed dripping into top of water column in the trap. Very noisy.
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Verified Purchase
Been using our current RO-Pure for almost 3 years, now. Really like it. My hands are arthritic, and I couldn't handle the old-style replacement cartridges where I had to unscrew the cylindrical housings. These are so easy to replace! I'm done in less than 5 minutes, working slowly. Sure, these are more expensive than the old style, but I just couldn't handle them any more. Totally worth it. Water quality is great. We can really taste it when someone elses water filter is not working properly.
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Verified Purchase
Just amazing for a 1-year kit! I was looking on Watts Premier's website and was going to buy just the 6-month kit (I'm on my 2nd cycle so I needed red, blue, and gold), with S&H was a little above $50. Decided to roll the dice and look around a little bit more. Upon using the great tool, Yahoo! Shopping, I stumbled upon this package offered on Amazon (at the time was $61.40 + free shipping). To get this deal from their website would have cost over $75 or I could have paid $50 for a 6-month kit! Now, I have a year supply for virtually the same cost as 2nd 6-month kit! Thanks Amazon!
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