Pentair Sand Dollar SD40 Top Mount Sand Filter | EC-145320 Style_Valve Rebuild Kits By converting salt into chlorine

By converting salt into chlorine through advanced electrolytic technology

It does this by transmitting rotation from one side of the drive shaft to another

Upgraded pop-up cleaning head for Pentair In-Floor systems

Drop-in replacement design fits legacy Caretaker systems without full head swap

Pentair Sand Dollar SD40 Top Mount Sand Filter | EC-145320 Style_Valve Rebuild Kits By converting salt into chlorinePentair Sand Dollar SD40 Top Mount Sand Filter EC 145320 Compact top mount sand filter by Pentair, featuring 1. 8 sq ft area, 150 lbs sand capacity, ~40 GPM flow optimized for medium residential pools. Features 1. 8 sq ft effective filtration area in a 19 diameter tank fits tighter equipment pads. 150 lbs of #20 silica sand required lower media cost and easier handling. Rated flow around 40 GPM; turnover of ~19,200 gallons in 8 hours under ideal