Polar White Polypropylene Cover for Single 20 lbs Tanks (40564) by Camco®. The Heavy Duty RV/Trailer Propane Tank Cover features a functional design that provides easier access to tanks and changeover regulator. The RV Propane Tank Cover is designed to protect your propane tanks from road debris and dirt while streamlining the look of your RV. Fits 20 Pound steel single tank...