Waterway Floor Return Fitting Assembly [2" Slip White] (640-9000) kingtechnology A weir is useful because

A weir is useful because it helps control surface-water flow into the skimmer

5 inch format

and curved shape give this pillow practical value because visible comfort components work best when the replacement matches both the mounting style and the surrounding spa appearance

Reference part number 2921110127 when verifying compatibility

This type of part is especially useful when the surrounding canister remains serviceable and the need is centered on the cartridge itself

Waterway Floor Return Fitting Assembly [2" Slip White] (640-9000) kingtechnology A weir is useful becauseThe Waterway Floor Return Fitting Assembly [2" Slip White] is a Waterway Plastics inlet outlet fitting component for compatible pool, spa, and bath plumbing assemblies. It is designed for service applications where a return, wall fitting, adapter, or related connection needs to be replaced to maintain proper water flow and equipment fitment. Inlet and outlet components are important to circulation performance and the finished appearance of the system.