As opposed to nitrogen blanketing, Donaldson Company’s P-BE Tank Vent requires no energy input. Its housing connects directly to the top of storage tanks to filter any incoming atmospheric air with maintenance requiring only an element change. It is compatible with many tank sterilization methods. Donaldson’s P-BE tank vent and corresponding element work to effectively prevent particulate and bacteria from entering mobile or stationary storage tanks that could adversely affect product. It can be used in food and beverage industries.