The LPG will then breathe through the cylinder wall and burn in a controlled manner. View how much fuel is left 50% lighter than steel Easy carrying and stacking Each cylinder has a wide, stable base that prevents it from tipping over. 250 Gallon Propane Tank Lightweight Composite Propane Tank By Dr. Shrink (DS-LWTANK-17) - ProPride Marine Tanque De Gas Propano Unlike steel and aluminum tanks, Viking Cylinders will not BLEVE in a fire. Viking Cylinders 17 Pound Lightweight Propane Tank Specifications: Unfilled Cylinder Weight/Ship Weight: 11.5 lbs Propane Capacity: 17 lbs Exact Propane Capacity: 16.85 lbs Propane Volume at 60° F: 4.05 gallons Butane Capacity: 18.70 lbs Water Capacity: 40.4 lbs Height: 18.3 inches Diameter: 12 inchesView Filling Certificate DR Shrinkwrap. Retail Price: Price: Now: $192.50. Was: Viking Cylinders Lightweight Composite Propane Tank is designed to replace heavy propane cylinders BLEVE is the technical abbreviation for Boiling Liquid Expanding Vapor Explosion. Viking Cylinders Lightweight Composite Propane Tank is designed to replace heavy propane cylinders. Non-corrosive 3-layer composite material The outer walls are translucent, allowing you to see exactly how much propane is left in the tank.