Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) andersonmfg An overlay is useful because

An overlay is useful because it restores the visible button labels and surface appearance of the topside panel

The white deluxe scallop face also keeps the finished look crisp and polished

Pump go-kits help support faster rebuilds for popular Dura Glas and Maxi Glas pump systems

FC-3129 Micro-Klean filter cartridge for compatible applications

Hayward Swimclear/Pro-Grid Air Relief O-Ring [Qty-2] (DEX2420Z8A) andersonmfg An overlay is useful becauseThe Hayward air relief O ring set is designed for compatible SwimClear and Pro Grid filter applications where the air relief assembly needs dependable sealing. O rings like these are useful because they help maintain a cleaner seal at the air relief point, supporting more reliable filter serviceability and operation. This quantity two replacement is especially useful when the original O rings are flattened, brittle, cracked, or leaking. Replacing them