SP Scienceware Polypropylene Check Valve, Help stop backflow damage when pressure is interrupted or vacuum is broken, Pack of 6

Details

Help stop backflow damage when pressure is interrupted or vacuum is brokenNon-metallic wetted surfacesRecommended 20 psi (1024 Torr)Tapered barbed connectionsAutoclavableOverall length: 2 3/8 in. (60mm)Length tapered end: 0.75 in. (19mm)