china suppelier exhaust plastic exhausting aerofluxus valve

Weight:1 g per valve
Material:100% New PE
Outside diameter:20mm
Inside diameter:17mm
Thickness:6mm
Packing:5,000pcs/carton
Carton size :30x20x21.5cm

Our coffee valve's instructions
Our coffee bag valves comprise of a food-grade PE shell, sealing rubber strips, sealing oil,which can enhance the performance.
You can make some concentrated pinholes on a coffee bean bag and put a coffee bag valve on top of the holes.
It can exhaust the carbon dioxide produced by coffee beans while preventing the outside air from entering the bag,so as to lower the pressure inside the bag which would otherwise have the bag burst.
By doing so, you can keep coffee beans dry and original.
The Model V2 is fit for coffee bean packaging, it with good degassing performance and reliable quality
china suppelier exhaust plastic exhausting aerofluxus valve