Flame King YSN-201 20-Pound Steel Propane Cylinder With Type 1 Overflow Protection Device Valve Go to amazon.com Related posts Top recommendation for 20lbs propane tank FeatureHigh grade steel welded propane cylinderPremium OPD valve assemblyX-ray and hydrostatic testedPowder coated for long lasting exterior protection DescriptionMost popular size propane tank for all around use.