25 Black Universal Air Vents with Retaining Lip * Compatible with Blitz, Briggs & Stratton, Eagle, Essence, Midwest, No Spill, Scepter, Wedco and any other Plastic Fuel Cans * Vent Caps are installed onto any non vented Plastic Fuel Can to allow leak free fast flowing fuel. * The retaining lip holds the vent in place after installation. * A drill is required for installation.