Degassing One-Way Valves for Coffee Beans, outside sticker (40 valves/sheet)

Description

Maximizing freshness by allowing freshly roasted coffee to degas in custom storage such as 5gal pails, Tupperware, etc.
No need heat sealing, self-adhesive label, for application on outside of container.
40 valves per sheet
Method of use
Drill or poke a small hole in the container, deburr to ensure no raised surface/burr (must be flat),
clean surface with rubbing alcohol, dry and apply
. Cover the hole with the circle that on the central of the valve. Note: Valve is placed on outside of container.
Dimensions:
20mm x 20mm x 0.5mm(length x width x thickness)