Worthington 297297 33-Pound Aluminum Forklift Propane Cylinder With Gauge And Fill Valve Equipped with service valve, relief valve, fixed liquid level, safety coupler and Filler valve Clean, dry and smooth Service life is twice as long as steel. Interiors are resistant to flaking or scaling Easier and lighter to handle, aluminum cylinders increase delivery efficiency and decrease lifting injuries Non-sparking for greater safety Comfortable hand-holds in the collar for easier lifting Rust-free and corrosion resistant Durable construction with bright, shiny, smooth finish