Hayward H-Series Blower Gasket (IDXBLG1930) hydroquip and this Filbur FC-3753 cartridge

and this Filbur FC-3753 cartridge is designed for C-4313 and PBW4PAIR applications

A gasket like this is useful because it helps create a cleaner

and SP2600X style pump applications where the strainer basket needs replacement

Useful when the original cutoff device has failed

deterioration

Hayward H-Series Blower Gasket (IDXBLG1930) hydroquip and this Filbur FC-3753 cartridgeThe Hayward blower gasket is designed for compatible H Series heater applications where dependable sealing is needed at the blower connection point. A gasket like this is useful because it helps maintain the integrity of the blower section, supporting cleaner assembly fit and more reliable heater operation. This replacement is especially useful when the original gasket is flattened, brittle, cracked, or no longer sealing confidently. Replacing it can