- Allows clean air to come into the freeze dryer when the pressure is released. Doesn't use the drain valve.
- Easy access: this valve connects to the side of the freeze dry at the same location where the vacuum hose connects.
- High quality, heavy duty stainless steel
- No danger of water being pulled from the drain bucket into the freeze dryer.
- Ideal for Pharma and Scientific customers who are processing delicate products.