40Pcs CO2 Releasing Valves Replacement Coffee Bean Container Degassing Way Breather Valves for Food Bags Easy to Install

Features: This adhesive strips type exhaust vent valves is suitable for attaching to the surfaces of containers requiring single way gas exhaust, such as coffee bags, food bags, packaging bags, pet food bags, kimchi jars, fermented feed bags, tin cans, and plastic cans. When the gas produced by the items sealed inside the bag reaches a certain pressure, the gas could push the venting valves opens from the insides out, venting excess gas outwards; when the pressure inside the bag decreases to an insufficient levels to open the valves, the valves automatically closes. Using this single way degassing valves helps ensuring the freshness of your beans. You can also smell the aromas of the coffee directly by squeezing the bag, which helps you better verify its freshness. Our single way degassing valves requires none heat sealing, has strong adhesion, is not easy to fall off, and can be used immediately after application, making it convenient and efficient. Easy installation: Crafted from food grade plastic with excellent temperature and chemical resistance for consistent function.

Specifications: Component: Plastic Size: about 20x20mm/0.78x0.78inch

Package Includes: 40Pcs Exhaust Ventilation Vent

note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.