coffee bag One-way valve can protect coffee from oxidation and effectively release CO2 gas,and prevent bag form bursting.

One-way degassing valves

Coffee bag one-way valve (Model:V2)
Number of parts	Two parts (valve body,filter)
Material	It is made of 100% original food-grade plastic.
Diameter	17 mm
Thickness	4 mm
Application	Air exhaust for Coffee Packaging.
MOQ	50,000pcs
Packaging	10,000pcs/carton or 20,000pcs/carton Meas:30x20x21.5cm or 38x25x25.5cm

coffee bag One-way valve can protect coffee from oxidation and effectively release CO2 gas,and prevent bag form bursting.It can keep the coffee beans fresh and dilicious.

One-way degassing valves