| Item Name | One Way Ventilation Valve | 
|---|---|
| Function | Breathing Out CO2 | 
| Outer Rim Dia | 23 Millimeter | 
| Height | 4 Millimeter | 
| Advantage | Freshly Roasted Coffee | 
| Item Name | Coffee Degassing Plastic Valve | 
|---|---|
| Material | PE+PVC Gasket+silicon Oil | 
| External Diameter | 23mm | 
| Height | 4mm | 
| Holes | Five Holes To Release Air | 
| Product | Unilateral Action 1 Way Air Valve | 
|---|---|
| Material | PE Main Body & Silicon Gasket | 
| Feature | Unilateral Action Exhaust Air | 
| Height | 5.7mm | 
| Outer Dia | 19.8mm | 
| Item Name | Mini Clear One Way Air Vent Valve | 
|---|---|
| Material | PE Food Grade | 
| External Size | 23mm | 
| Height | 4mm | 
| Function | One Way / One Direction Air Vent | 
| Product | 1 Way Air Vlave With Silicon Gasket | 
|---|---|
| Material | Plastic Body & Silicon Gasket & Silicon Oil | 
| Feature | Air Release In One Way | 
| Height | 5.7mm | 
| Outside Size | 19.8mm | 
| Product | One Way Degassing Valve | 
|---|---|
| Material | Plastic Body & Silicon Gasket & Silicon Oil | 
| Feature | One Way Air Vent | 
| Height | 5.7mm | 
| Outside Size | 19.8mm | 
| Item Name | One Way Gas Valve | 
|---|---|
| Material | PE Material | 
| Outer Diameter | 23mm | 
| Height | 4mm | 
| Function | One Way Air Degassing | 
| Product Name | Unilateral Air Discharge Valve | 
|---|---|
| Material | PE Main Body & Silicon Gasket | 
| Function | One Way Air Discharge | 
| Height | 0.57cm | 
| Outer Dia | 1.9cm | 
| Item Name | Unilateral Coffee Valves Single Air Vent | 
|---|---|
| Material | HDPE Material | 
| Outer Rim | 23mm | 
| Height | 4mm | 
| Function | Unilateral / Single Air Vent |