Non Return Valve suits 25mm and 38mm internal hose

$32.71
(13222)

NON RETURN VALVE This clover valve and designed it to fit in line in a simple way to maintain prime in a suction or discharge line. 

Suitable for use with manual or electric bilge pumps and accepts either 25mm (1") or 38mm (1 1/2") internal diameter tubing.  It has a rubber flap inside the housing that opens only in one direction.

Often used in bilge pumps and one way flow applications - but not suitable for toilet lines.