Pentair Cartridge 420 sq. ft. | Clean & Clear Plus Filter 420 sq. ft. | R173576 FG3011 or the original part number

or the original part number printed on the existing transformer before ordering

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

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

Add 2 units to your cart to complete your filter service

Pentair Cartridge 420 sq. ft. | Clean & Clear Plus Filter 420 sq. ft. | R173576 FG3011 or the original part numberThe 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