System:3 Air Relief Valve and Gauge Kit filter-length_27 3/8 inches The Pro Series 300 features

The Pro Series 300 features a fully digital timer and refined dosing increments for more precise control

This quality teaching aid incorporates features beneficial for both young swimmers and instructors

high solids

Cam and groove couplings or quick connect couplings are used as a hose connection to avoid leakages

This item is not for use on newer model Lift-Operator controlled lifts

System:3 Air Relief Valve and Gauge Kit filter-length_27 3/8 inches The Pro Series 300 featuresThis is a Pentair 24850 0105 Valve and Gauge Assembly Kit for Sta Rite System: 3 Modular Media SM Series Cartridge Filters, Sta Rite System: 3 SD Series D. E. Filters.