1. Oxygen tank rack with three size options to fit different spaces: 1-bottle (35 cm / 13.8 in), 2-bottle (65 cm / 25.6 in), and 3-bottle (95 cm / 37.4 in). Designed for home use, clinics, nursing rooms, industrial workshops, and large hospitals to suit any space requirement. 2. Steel construction for safety and longevity: Engineered from steel, this gas cylinder holder supports propane cylinders up to 40 L / 10 gallons and up to 200 kg / 440 lbs, helping prevent tipping and enhance safety in any environment. 3. U-shaped design for stability and compatibility: Features a U-shaped curve that accommodates oxygen, nitrogen, propane, argon, hydrogen, chlorine, helium, and acetylene cylinders, increasing contact area with the bottle to improve stability. 4. Wall mount for efficient storage: Easily fixes to the wall in minutes, offering a secure and space-efficient solution for storing oxygen cylinders without occupying valuable floor space, ideal for any setting. 5. Practical use scenarios: Home workshop or garage: keeps cylinders secure, organized, and within reach for DIY projects. Clinics or nursing rooms: provides safe, off-floor storage that is easy to access. Industrial workshops or large hospitals: centralizes cylinder storage, saving floor space and improving workflow.