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Hayward DE3620 ProGrid 36 Square-Foot Vertical Grid DE Pool Filter

4.7 out of 5 stars 233 customer reviews
| 97 answered questions

Price: $559.62 & FREE Shipping. Details
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36-Square-Foot
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  • Filter tanks are made from the most durable materials to meet the demands of the toughest applications and environmental conditions
  • High capacity, rapid release manual air relief valve bleeds air with a quick quarter turn of the lever
  • Heavy-duty, tamper-proof, one piece flange clamp securely fastens tank top and bottom and allows quick access to all internal components
7 new from $525.98 2 used from $517.65
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$559.62 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Hayward DE3620 ProGrid 36 Square-Foot Vertical Grid DE Pool Filter
  • +
  • Hayward SP0710XR50 Pro-Series Vari-Flo Backwash Valve Coupling
  • +
  • Hayward SP2610X15 Super Pump 1.5-HP Max-Rated Single-Speed Pool Pump
Total price: $1,024.40
Buy the selected items together


Product Description

Size: 36-Square-Foot

Product Description

Filter tank is constructed of Perma Glass XL, a glass reinforced copolymer, for the ultimate in strength, durability and long life. The filter features a "service-ease" design that boasts a heavy-duty, tamper-proof clamping system that allows for quick access to the filter grids for easy cleaning - all without disturbing piping or connections. It comes complete with a combination pressure and cleaning cycle indicator gauge, manual air relief and high-impact grid elements designed for up-flow filtration and top-down backwashing for maximum efficiency. Multi-port valve NOT included.

From the Manufacturer

Hayward DE3620 Pro-Grid Vertical D.E. Filter, 36-Square Feet. Pro-Grid vertical grid D.E. filters provide superior water clarity, efficient flow and large cleaning capacity for pools and spas of all types and sizes. Pro-Grid combines high-technology features and "service ease" design for an unparalleled filtration value for both New pool and aftermarket installations. Applications: In-ground pools, In-ground spas or in-ground pool/spa combinations

Product Information

Size:36-Square-Foot
Product Dimensions 26 x 26 x 34 inches
Item Weight 64.5 pounds
Shipping Weight 65.6 pounds (View shipping rates and policies)
Manufacturer Hayward
ASIN B00268F6BC
Item model number DE3620
Customer Reviews
4.7 out of 5 stars 233 customer reviews

4.7 out of 5 stars
Best Sellers Rank #18,141 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#14 in Patio, Lawn & Garden > Pools, Hot Tubs & Supplies > Filters & Filter Media > DE Pool Filters

Technical Specification

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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From the Manufacturer

Item Number DE2420 DE3620 DE4820 DE6020 DE7220
Effective Filtration Area 24 sq. ft 36 sq. ft. 48 sq. ft. 60 sq. ft. 72 sq. ft.
Width 24" 24" 24" 24" 24"
Height 32.5" 34.5" 40.5" 46.5" 52.5"
Public Design Flow Rate 48 GPM 72 GPM 96 GPM 120 GPM 144 GPM

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 60-Square-Foot Verified Purchase
I just installed this in my 38,000 gallon pool, and it works great.

The new D.E. filter and backwash valve were shipped from Amazon, and arrived in Ohio after about 1.5 weeks (free super saver). You MUST NOT FORGET to order the backwash valve (I ordered Hayward SP0710XR50). IT IS REQUIRED AND IS SOLD SEPARATELY. Removal of my old sand filter (see last paragraph) took 2 people approx 1.5 hours (500lb. capacity filter). Placement of the new filter and pvc plumbing work (3 inlets/outlets) took us another 1.5 hours. The filter came fully assembled, and all I had to do was add the media after installation. You buy diatomaceous earth from a pool store in 25lb bags. This filter (60sq. ft) takes about 7.5lbs of the stuff. You have to prime the pump and evacuate air in the new filter with a top valve. After the air is evacuated, and the filter is set to the filter position, you add the required amount of diatom earth through your skimmer as quickly as it will take it.

After bringing the new filter online, my pool was clear within 24 hours and *crystal* clear within 48 (you could not see the bottom before). One thing I immediately noticed compared to the sand filter is that when cleaning out debris piles in the bottom of the pool, my old sand filter would allow much of the junk to come back through the returns (even when it was brand new). This new filter does not allow anything through. Pressure is easy to set and monitor for DE replacement. When the filter reaches the red hash on the pressure guage, it is time to backwash (get rid of and replace the DE). Backwash and replacement takes about 5 mins. once you get used to it. This is my favorite feature of the DE filter, that you flush the filter media completely out. The DE is cheap too - it only costs $13 for a 25lb bag here in OH.
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Size: 60-Square-Foot
After having a sand filter for many years, waiting for water to clear after weeks, hundreds of dollars in chemicals, I decided to up my living and get this filter...OH MY GOD....in 6 hrs, my swampy pool went blue and in 18 hrs I had crystal clear water....I backwashed once and it was 20 seconds long...very fast.....If you are looking for a mega beast to take away ur stress, this is it....I had my local pool store deliver it since I'm a chick and not much I know about plumbing. I paid a little more but get it from amazon to save 300 dollars.
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Size: 48-Square-Foot Verified Purchase
Just replaced a 10+ year old Hayward DE4800 with this newer model. The photo isn't the smaller 48 sqft model its the larger model. The actual filter housing is a much better and slightly thicker material. My old filter housing was more like a PVC than fiber resin. The clamp on my old filter had a single hinge and the new model has two hinges on the metal clamp making it easier to install or remove. The coating on the metal clamp is better than my old clamp and the clamp bolt no longer uses a tension spring. The clamp has a sheathed copper insert where you tighten the bolt. The rubber o-ring is not round its square and feels like it has silicon material added. The gauge is better in my opinion, has low/hi setting adjustments and although the valve is still plastic as was the old system its a better design. I only wish there was a over pressure release valve option that would open if pressure exceeded 30+ psi. My old Hayward back-flush valve was a direct fit with no modification needed to fit this newer model. I had just bought new filter grids for my old DE4800 but they are the exact same grids that came with this newer model, so I have a spare set. The interior guts look to be the same. To me its just a DE filter but with the better housing material, better clamp, better gauge and compatibility with the older grids I feel makes this a great product. Trying to add some photos but the option isn't there only video. Will try and add some photos later if the option is there.
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Size: 60-Square-Foot Verified Purchase
We were new to pools, and found it almost impossible to keep our pool clear, we would test our water, also take it to the pool stores, even when they would say everything looks good, they would find something to sell us chemcials. Even when are chemicals were right, we'd have a nice cloudy blue pool at best. What I didn't know, that sand filters only filter to about 25 microns in size, and DE filters goes to about 2 microns. We'd lose control everytime the pollen would bloom. for two years we dealt with this and came to accept a cloudy pool blue pool. Additionally, we have iron in our well, so we couldn't refill our pool with that, I actually rigged the roof water to go in the pool. So with the DE filter, we barely have to backwash. Within 12 hours after installing the DE filter, our pool was crystal clear. I've read reviews like this online, and thought it sounded too good. I'm a complete believer now, I don't know why anyone would use anything but a de filter. Note with this filter, you have to buy the valve to backwash, etc. The picture is a little misleading. We use considerably less chemicals, and even when we need to backwash, it only takes about 30 seconds for clear water. And since we cleared the pool we barely have to backwash. If your pool cloudy, or green, you'll have to backwash frequently until it clears. We used about 25 pounds of DE powder until the pool was clear. If you have a sand filter, and dealing with the hassle like I am, do whatever you have too, to get a DE filter. You won't be disappointed.
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