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

This Waterway replacement is a strong choice when the goal is to preserve the original system style while renewing the core skimmer body in a matching white finish

A fresh handle can make an older valve feel substantially more serviceable again without the need for full valve replacement

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

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