Description Provide an easy and quick access to your pouch with this Osto EZ Vent. It is designed to provide an easy, quick access for a better alternative to burping or opening of the bottom whether it is a one piece, two piece, drainable, or closed end pouch. It doesn't have any filter to quickly release air build up on the pouch to reduce pouch explosion and loose wafers. This device is easy to install and works efficiently and can last long with the pouch even while in water.