Detecto Oxygen Tank Holder with Accessory Rail For Whisper ER Loaded Carts Features: DETECTO oxygen tank holder for Whisper Cart Coated steel construction Dimensions: 5.8 in W x 4.9 D in x 15.9 in H / 14.7 cm W x 12.4 cm D x 40.4 cm H Shipping weight: 4 lb For use with DETECTO Whisper Series ER Loaded Carts