Pentair PVC Push-Pull Slide Valve 2″, 7.5″ Centerline, Almond | 263064 Complete QuikPure3 They have several steel balls

They have several steel balls located inside which give the ability for movement while having a flat surface on their top side with holes meant for screws that lock them into place on the frame

Improving the flow and travel of the water as it passes through

use the Style 2 Tool during installation to ensure proper alignment and secure fit

This body assembly is the main housing unit for both the upper components of the TR2D suction cleaner such as the engine assembly and hose connections

Pentair PVC Push-Pull Slide Valve 2″, 7.5″ Centerline, Almond | 263064 Complete QuikPure3 They have several steel ballsPentair PVC Push Pull Slide Valve 2, 7. 5 Centerline (Almond) SKU 263064 Replace or upgrade your Pentair DE sand filters backwash valve 2 slip, 7. 5 centerline, almond PVC. Features OEM fit for Pentair FNS Plus, Quad D. E., and Triton II filters. 2 socket (slip) connections for common pool plumbing. 7. 5 center to center dimension for proper manifold alignment. Robust chemical resistant PVC construction. Smooth two position push pull lever for filter