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Hayward Pro-Grid 36 sq. Ft. DE Filter (W3DE3620)
Might come brown or black. Hayward recently changed the color of the filter. Hayward W3DE3620 Pro-Grid 36 sq. The Hayward W3DE3620 Pro-Grid 36 sq. Pool Filter provides the highest level of filtration. The Hayward Pro-Grid is capable of filtering out particulate as small as 5 microns. That's the same size as a human red blood cell. The Hayward Pro-Grid W3DE3620 uses a set or grids coated in pool grade diatomaceous earth. The set of grids consists of 7 full grids 18" in length and 1 partial grid 18" in length. The Pro-Grid tank is made with glass-reinforced thermoplastic that enhances durability and product life. It uses a manual air relief valve that eliminates air buildup in the tank rather than having it force back thru the system.
A 1-1/2 drain is used for quick drainage, and a one-piece flange clamp rests securely around the tank, securely fastening each half tightly together. To remove the W3DE3620 requires a minimum of 50.1 vertical clearance.
Before removing the top lid, it is suggested to backwash the filter to discharge the contaminated DE powder. Compatible with valves: SP0740DE (Selecta-Flo 2" SKT), SP0710XR50 (Vari-Flo 1 1/2" NPT), SP0715XR50 (Vari-Flo 2" NPT - Optional), SP0410X5025 (Slide Valve 2" SKT - Optional). In-ground spas or in-ground pool/spa combinations.
Filter tanks made from durable reinforced thermoplastic to meet the demands of the toughest applications and environmental conditions, including in-floor cleaning systems. Self-Aligned tank top and bottom make access to servicing the grid elements fast and simple. Heavy-duty, tamper-proof one piece flange clamp securely fastens tank top and bottom.Allows quick access to all internal components without disturbing piping or connections. High impact grid elements designed for up-flow filtration and top-down backwashing for maximum efficiency.
Uniform low-profile base make removal of grid nest fast and simple. Integral lift handles and uniform low-profile base make removal of grid nest fast and simple.
Inlet diffuser elbow distributes flow of unfiltered water evenly to all filter elements and provides even distribution of D. Convenient valve and plumbing options allow for customized control. 2 full-flow internal piping and plumbing for less resistance to flow and maximum performance. High capacity, rapid release manual air relief valve bleeds air with a quick quarter turn of the lever.
Filter allows for both commercial and large residential applications and years of non-corrosive, trouble-free performance. 90 GPM residential flow rate.