DICMIC Transfer Tank Vented Cap w/Threaded Neck, Venting Pressure Tank Cap with 2 Inch Base, Diesel Fuel Tank Cap Fit for Diesel Transfer Tank, Fuel Transfer Tank & Vented Fuel Storage Tank

[HIGH QUALITY] Made of high-quality materials featuring waterproof and corrosion resistance to long term serve your diesel tank. The whole tank pressure fill cap includes a removable transfer tank vented gas cap and 2-inch heavy-duty cast iron base.. [FUNCTION] When loosen the cap, the venting pressure tank cap vent pressure inside the tank to outside and release dangerous vapor build up to prevent over-expansion of the fuel tank. And allow air into the diesel transfer tank to prevent vacuum forming and collapse the tank when you draw out fuel.. [FITMENT] Works well for ground, farm, commercial and distillate tanks, such as transfer tank, fuel tank, gas tank, diesel tank, auxiliary fuel tank, mobile fuel tank and weather guard tank.. [EASY TO INSTALL] Align the vented gas cap with the notch, push down and clockwise twisting to tighten the diesel tank cap all the way. To remove transfer tank cap, counter-clockwise twist slowly to the notch to vent pressure. Push down and twist to lift pressure vent cap and remove.. [NOTICE] For any reason, if you are not satisfied with your purchase, contact us directly.