Dixon® Vent Cap, Standard, Cap Fitting/Connector, 2-1/2 in Nominal, MNPS End Style, Aluminum, Domestic

ITEM FEATURES:

• Always open vent
• Protects tank from pressure or vacuum buildup
• Can be used as a fuel filler cap
• Not intended for use on mobile tanks, to ensure that the cap can properly vent, the vent cap must be kept free of any debris i.e. dirt, snow, ice, rags etc