valves for coffee bean:

Model Number: V2
Material:100%new PE material
Industrial Use: Food
Use :Coffee
Feature :Security
Surface Handling: Hot Stamping 
Colour: Clear
Diameter :17mm
Thickness: 4mm
MOQ:50,000pcs
Packaging:10000pcs/carton or 20000pcs/carton
Meas:30x20x21.5cm or 38x25x25.5cm
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