Purchase Qty. Reference FOB Price
50,000-99,999 Pieces US$0.06
100,000+ Pieces US$0.055
Product Description
Good Quality Food Grade Bottle Cap Silicone Check Valve Silicone Check Valve are unique , one-piece, elastomeric components that act as backflow prevention devices or one-way valves, which have elastomeric lips in the shape of a duckbill which prevent backflow and allow forward flow. ...