Chemical storage cabinets are used for various purposes such as storing flammable liquids, corrosive chemicals, pesticides, poisons and so forth. Quite a number of chemical storage cabinets have bung openings that facilitate proper ventilation in the units. Manufacturers provide these capped bungs to ensure effective ventilation.
However, it may not be necessary to vent the storage cabinets because it is not usually required. If the state or local authority mandates you to use venting bungs, you will have to find the best venting bungs from manufacturers. On the contrary, it may not be necessary to acquire any venting bungs if it is not a requirement.