500 cu ft UN/ISO Cylinder – 25E Inlet 500 cu ft UN/ISO Cylinder - 25E Inlet quantity Add to cart Add to Quote SKU: 500STEEL-25E Categories: Breathing Air Cylinders, Compressed Gas Cylinders Capacity 491 cu ft / 13903.6 l Diameter 9.41" / 239 mm Height 50.5" / 1282 mm Material Steel