Features Contributes to product freshness and preservation. To maximizing coffee’s freshness by allowing freshly roasted coffee to degas in the package. No need heat sealing, label type can reduce labour cost of installing valve. Once the fluid is added at the application to the packaging material, the coffee valve becomes activated. Application scope Suitable for coffee bags, coffee cans, rice bags, fermentated feed bags, biological rot rod agent packaging bags. Method of use Drill a small hole in the container. Cover the hole with the circle that on the central of the valve. Dimensions: 20mm x 20mm x 0.5mm(length x width x thickness)
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