Hayward EC50 D.E filter system includes filter tank, pressure gauge, 1.5-HP Power-Flo pump, filter base, union connection, (2)1 1/2" x 6' filter hoses, hose adapters, hose clamps, and backwash valve. Captures all dirt, removing microscopic dust and pollen as small as two microns; Easy access clamp assembly. All Parts Pool and Spa is a family owned retail web-store specializing in the parts and equipment for swimming pools and spas. We can supply over 80,000 items to our customers in a cost-effective and timely manner. The face-to-face and end-to-end dimension for Class 150 steel flanged swing check valves in NPS 5 is 330 and in NPS 6 is 356. (2) Globe and horizontal lift check only. The face-to-face and end-to-end dimension for Class 150 steel flanged swing check valves in NPS 16 is 864. (3) Swing check only. General notes: 43-150-1068 Drain Plug, Hayward Chlorinator CL200/CL220, with Gasket Add Looking for the description, tech tips, exploded diagram, available styles, documentation, specifications, kit components, and other information?