CMP Typhoon 400 Jet Internal [3-3/8" FD] [roto] [Textured Scalloped] [Gray] (23442-329-000) o-rings A DE grid is one

A DE grid is one of the core filtration surfaces inside a diatomaceous earth filter

This American/Pentair/PacFab Bulkhead Fitting (271096) is engineered for sand filters & parts applications

The Sandstorm TM31 fit and OEM design give this basket practical value because filter baskets work best when they match the original housing and seating relationship closely

Reduces leaks and wear

It supports efficient water movement in demanding applications

CMP Typhoon 400 Jet Internal [3-3/8" FD] [roto] [Textured Scalloped] [Gray] (23442-329-000) o-rings A DE grid is oneThe CMP Typhoon 400 jet internal is designed for compatible Typhoon 400 spa jet applications where a 3 3 8 inch face diameter roto style internal needs replacement. A roto style internal is useful because it helps create moving water action through the jet face, supporting the intended spa feel and more dynamic performance. This replacement is especially useful when the original internal is cracked, worn, clogged, or no longer rotating correctly.