Benefits of Oleophobic D38 Air Vent Plug :
1. Effectively waterproof, dustproof and anti-pollution, keeping container dry and ensure liquid's purity;
2. Antiseptic, effectively separate the container with inside liquid, preventing the loss causing by volatilization or chemical reaction;
3. Equalize pressure, gas passes through the e-PTFE membrane, preventing container bloated even collapse while inside pressure is higher than outside environment;
4. Equalize pressure, preventing container distortion while outside environment pressure is higher than inside.