110mm diameter PVC drainage non return valve with lockable single flap. Single socket with rubber seal for use with plain ended pipe or fitting. Bolted four point access hatch for future maintenance and cleaning. Inline single flap automatically closes with back pressure of fluid. Only suitable for use in grey water and rainwater drainage applications. It is NOT intentended for use in foul water drainage applications.
Overall dimensions: 320mm x 195mm x 200mm.