Let your pool sparkle and gleam all season long with the W3C500 Star-Clear Cartridge Filter from Hayward. With a durable design, easy-to-use operation, and extra-large cartridge, you'll be able to enjoy your pool with peace of mind. This pool cartridge filter provides crystal clear water with an extra cleaning capacity to accommodate pools and spas of all types and sizes. The filter head rotates for simply pressure gauge positioning and manual air relief, while the single-locking knob fastens the head to the filter tank without the need for bolts or clamps. With a precision-engineered core, the 50-square-foot extra-large filter cartridge element provides extra-strength and maximum flow. Built for lasting performance, this pool filter is injection-molded and corrosion-resistant. The filtered water collector and debris sump prevent accidental by-pass of heavy debris when the cartridge is removed for cleaning so you can clean up without added stress. Kick back and let this Hayward W3C500 Star-Clear Cartridge Filter maintain your pool's clarity and shine.