Whether you are in the warehouse or on the road, an empty tank on your truck or forklift can be a headache at best and a nightmare at worst. Depend on the BISupply Propane Bottle Refill Adapter for 1 lbs to 20 lbs to efficiently refill the tank of your machinery and vehicles. Propane tank valve adapter is constructed of brass that is corrosion resistant to withstand repeated, extended use. Use this adapter for propane tank hose to use a 1-pound propane bottle for 20-pound propane tank applications. Adapter features ACME male and POL female thread connections for your forklift, truck, heater, and more. No longer will you need to drag around 10 or 20 pound propane gas tanks onto the campground or into the warehouse. Hose and propane tank not included. Adapter not designed for air pressure. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.