Pentair Cartridge 420 sq. ft. | Clean & Clear Plus Filter 420 sq. ft. | R173576 FG3011 requires less than half the

requires less than half the amount of product (by weight) than needed when using DE

Its 185 pleats of 4 oz

10HP to 2-

Pitot Tube (impact tube) design makes it easy to install on existing pipe

providing the water flow detection required for accurate chemical dosing

Pentair Cartridge 420 sq. ft. | Clean & Clear Plus Filter 420 sq. ft. | R173576 FG3011 requires less than half theThe Pentair R173576 is the OEM replacement filter cartridge for the Clean & Clear Plus 420 sq. ft. cartridge filter. Four cartridges are required per filter unit this listing is for one individual cartridge. IMPORTANT: 4 CARTRIDGES REQUIRED PER FILTER The Clean & Clear Plus 420 sq. ft. filter requires 4 of these cartridges for a complete service. This listing is for one (1) cartridge. Order 4 to complete a full replacement. IMPORTANT: FILTER