Check Valve Assembly, 1/4" Tube Polypro Fittings. This assembly comes with the 1/4 inch tube fittings installed. It also has an aluminum outer sleeve that is designed to keep it from cracking. The check valve is made of Polypro and has a Chemrez seal. It has no spring to provide zero cracking pressure however it must be used in a vertical orientation with the arrow pointing up. These can be used for many applications however it is used on the Dr. Oligo in the reagent tubes that go from the reagent bottles on the cart to the reagent bottles located on the top of the instrument.

This item is obsolete. Please see replacement PN: 605-107261.