- Function: The water backflow valve prevents backflow and protects the pump impeller. It is installed at the pump’s water outlet. - Material: The visible check valve is made of high quality PP material, wear resistant and durable. - Easy to install: The pool backflow valve features a simple design with universal inlet and outlet interfaces. Installation is straightforward: apply adhesive evenly and insert the outside of the pipe into the inside of the valve. - Transparent design: The valve is transparent and removable, allowing you to observe the flow and easily clean any debris that may be blocked inside. - Applications: - Install at a pool pump outlet to prevent backflow and protect the impeller. - Use in pool filters, spa, or fountain lines to maintain flow direction and enable easy cleaning due to the transparent design. - Apply in pond or irrigation pump systems to prevent back-siphon and simplify maintenance.