Peak Scientific Non-return valve 02-5473, LGP0092

An OEM-specification non-return valve (NRV) for Peak Scientific laboratory gas generators, with a 1/4 inch female inlet and 1/4 inch male outlet (part 02-5473).The non-return valve lets gas flow in one direction only, preventing backflow and protecting the generator and your instruments; fitting a fresh valve restores correct operation.Independently supplied, with free shipping to the US and Canada.