Hayward ProGrid DE4820 Filter Head with Clamp Assembly, DEX4820BTC
No. 6-10 DEX4820BTC Hayward Filter Head w/ Clamp Assy. Used on Hayward Pro-Grid PermaGlass Xl Filters. Also fits Hayward SwimClear Cartridge Filter Series. Fits DE4820 Filter (with 24 in. Grids) and fits SwimClear C4025 Filter, (with 25 in. Cartridges). Top is currently only available with the clamp.