HCF/Pro-Grid Bulkhead and Diffuser O-Ring filter-width_8 15/16 inches Recommended for rails

Recommended for rails

72 square feet

It may be necessary to use Pool and Spa Stop Leak more than once depending on the size of the leak involved

When it is time to remove the accumulated water on top of the pool cover

please specify the "casting dash number" found on the inside of the ladder

HCF/Pro-Grid Bulkhead and Diffuser O-Ring filter-width_8 15/16 inches Recommended for railsThis is a Hayward Diffuser O Ring replacement for HCF Series HCF7303C, SwimClear Cartridge Filters, and Pro Grid Vertical Grid DE Pool Filters. SX220Z2 is also a Bulkhead O Ring for Hayward MaxFlo VS Series pumps, MaxFlo XL, and MaxFlo II pumps.