GLB Calcium Hardness Up, 15 lb | 71251A Zinc Anodes OEM Brand Product Name Part

OEM Brand Product Name Part Number Notes Freeflow Spas Legend — Select older models with 1-1/2" threaded standpipe housing only — verify filter type before ordering Freeflow Spas Passport — Select older models with 1-1/2" threaded standpipe housing only — verify filter type before ordering (This is not an exhaustive list

Pentair Sand Dollar SD60 1-1/2 in

Replacing all four cartridges at the same time ensures consistent flow

Pentair (formerly American Products) American Valves 50123100 Spider gasket for 2 in

Length 32 3/4" Outer Diameter 7" Top Inner Diameter 3" Bottom Inner Diameter 3" Material Point Bonded Pool Filtration Fabric Top Cap Open w/molded gasket Bottom Cap Open w/molded gasket Pleatco Advanced Features

GLB Calcium Hardness Up, 15 lb | 71251A Zinc Anodes OEM Brand Product Name PartUse calcium hardness up to increase water hardness levels, help prevent equipment and surface corrosion as well as minimize foaming. Features and Benefits: Calcium hardness levels should be maintained at 150 250 ppm One pound increases calcium hardness 10 ppm in 10,000 gallons of water Compatible with chlorine, bromine, mineral purification systems, salt water chlorine and ozone sanitizing systems