White PE One Way Ventilation Valve / Small Plastic 1 Way Air Valve
| Product Detail | 
 
 
| Model Name | One way ventilation valve | 
| Call | 1 Way Air Valve | 
| Function | Keep against moisture | 
| Material | PE & PVC gasket | 
| OEM/ODM | Totally okay | 
| Usage | Coffee stand up bags | 
| Technique | Plastic injection mould | 
| External diameter | 23mm | 
| Height | 4m | 
| Color | Clear , white | 
| Payment method | Western Union,Bank Transfer , letter of credit | 
| Shipping | By sea , or by express(usually for sample order) | 
| Package | Inner poly bags and standard export carton box | 
| Packing box size | 50*33*43cm | 
 
 
| One Way Ventilation Valve Picture | 



| 1 Way Air Valve instruction | 
The one way ventilation valve , could call 1 way air valve , are usually used for the package like below :
1. Install on coffee doypack , coffee paper bags , coffee kraft box
2. Foil-based laminated packaging , fractional packaging , retail packaging
3. Pet's receipe compound bags
4. Vacuum bags with valve could degassing air from bags
5. Seasoning sauce packing bags , release the air , keep against damp
| Advantage | 
1. After roasting, some commodity will produce air , and can easy cause bag expansion , assemble the
one way ventilation valve could pefectly settle this solution
2. 100% food grade PE material , is of safty and eco-friendly .
3. Guard against damp , prolong the period of commodity
4. Preserves aroma characteristics within the package during shelf life