Propane Cylinders DOT & TC Approved portable propane tanks. Showing all 4 results Products 20 lb Propane Cylinder with OPD Valve $0.00 Add to cart 30 lb Propane Cylinder with OPD Valve $0.00 Add to cart 40 lb Propane Cylinder with OPD Valve $0.00 Add to cart 100 lb Propane Cylinder $0.00 Add to cart