Clean and Clear Plus 420 Compatible Filter Cartridge - 105 Square Feet pool-size_50000-74999 This is a WhisperFlo Shaft

This is a WhisperFlo Shaft Seal Assembly

You would balance alkalinity

Drilled hole in bottom allows drainage

This is a PVC Schedule 80 45 Degree Elbow with Slip x Slip fitting connections that measure 1 Inch

No in-pool anchor is required

Clean and Clear Plus 420 Compatible Filter Cartridge - 105 Square Feet pool-size_50000-74999 This is a WhisperFlo ShaftThis is a filter cartridge replacement with a filtration area of 100 square feet designed for the Pentair Clean and Clear Plus 420 pool filters. This filter cartridge is identical to these cartridge numbers: 20503, C 7471, PCC105, FC 1977, 8170131 and R178584. Our Generic OEM replacement cartridges are made specifically for Pentair filter cartridges and follow the original manufacturer's specifications. These high quality, reinforced polyester