Bidirectional Ventilation: Venting pressure tank cap uses an advanced bidirectional ventilation design that allows pressure go out the tank when the cap is loosened, allowing proper ventilation to prevent moisture accumulation, condensation and vacuum formation in the tank, and avoid tank collapse when the fuel is pumped out
Safe and Reliable: Diesel fuel tank cap with a safety hole on the side wihch allows you to fit with a 1/4-inch to 5/16-inch diameter shackle padlock, simply place the padlock into a keyhole on the base right above a latch, and the latch will lock, protecting your tank from fuel theft and damage
Better Seal: Vented fuel storage tank ensures a tight connection between the cap and the tank port, providing better sealing for your tank while keeping the cap securely in place to prevent loosening due to driving or other factors
Wide Compatibility: Vented fill cap fit for Dee Zee Filler-RITE diesel transfer tank, fit for ground farm and commercial machine tanks such as transfer tank fuel tank gas storage tank diesel tank auxiliary tank mobile tank protective tank and more
Die-cast Aluminum Alloy: Transfer tank vented cap made of high-quality die-cast aluminum alloy, corrosion resistance, oxidation resistance, 220°F heat release, not easy to deformation, even in harsh conditions can maintain stable performance, you can use for a long time and save money