16 oz coffee bags with one-way degassing valve
Application:The 16 oz coffee bags is used for coffee powder, coffee bean. It has one-way degassing valve.This is very important for roasting coffee. Because roasted coffee will produce carbon dioxide, it will flatulence in the bag. The function of the exhaust valve is to remove the carbon dioxide from the bag to prevent bursting; and to prevent the air from entering the bag to ensure the freshness of the coffee.