Retro Fit 110mm 4 inch Drain Non Return Valve with Stainless Steel Flap

Buffalo Flood Systems design easy to install robust flood prevention solutions. Stops back-flow of effluent into properties, businesses and homes during flooding. One way valve allows foul water to leave your home, but automatically closes to prevent back-flow from drains in the a flood event. Will be used extensively in properties on flood plains.

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