This Vented Locking Fill Cap was built with professionals in mind and threads into container openings with 2” NPT threads

Floating check valve allows liquids to drain back from pump when not in use

and Venturi blow tip

High Working Pressure: Rated at 4

MT-RSR Uncoated Zinc Clip-On Wheel Weights - I7 Profile - 1 oz - Heavy Duty WW-Z-I7-100U Delivery Kit This Vented Locking Fill Cap*PHOTOS MAY NOT BE REPRESENTATIVE OF ACTUAL PRODUCT* Uncoated Zinc Clip On Wheel Weights I7 Profile 1 oz Box of 25 Heavy Duty Zinc I7 Heavy Duty Weights 1. 0 oz 1. 5 oz 2. 0 oz 2. 5 oz 3. 0 oz 3. 5 oz 4. 0 oz 5. 0 oz 6. 0 oz Uncoated Zinc I7 Heavy Duty Weights 1 oz 2 oz 3 oz 4 oz 5 oz 6 oz Interchangeable Part Numbers: I7Z010U