Pentair Clean and Clear Plus 420, 520, Waterway Crystal Water 425 Compatible Filter Cartridge - Pack of 4 filter-width_10 1/16 inches and Washer are sold as

and Washer are sold as a set: One (1) Bolt

has a 50 foot black cable and uses a 1/4 inch headphone type data jack connector (RS-232)

687 inches OD

Ground clearance to the underside of this tubing is approximately 11 inches

This is an Aqua Creek 2-port Linak Control Box replacement which controls operation of the lift

Pentair Clean and Clear Plus 420, 520, Waterway Crystal Water 425 Compatible Filter Cartridge - Pack of 4 filter-width_10 1/16 inches and Washer are sold asThe 4 Pack of Hurricane HF7471 04 Advanced Cartridge Filters are compatible with Pentair Clean and Clear Plus 420, 520 (pre 1998), American Quantum CM and RPM 125 500, Waterway Crystal Water 425, and other compatible models. They are identical to Unicel C 7471, Pleatco PCC105, and Filbur FC 1977. The original manufacturer's names and part numbers are for reference only. Hurricane's advanced point bond filter media has tighter filtration capabilities