Wide Adaptability: Refrigerant tank rack is designed with various holes for you to adjust the height of trays to fit for different size of tanks, such as freon, gases, oxygen, nitrogen. Maximize space utilization while ensuring proper storage 100lbs Loading Capacity/Tier: Van tank holder is made of 1.6mm thick carbon steel with black powder coating, reliable and sturdy, anti-rust and anti-corrosion. Each tier can support up to 100 lbs. The reinforced design enhances stability, withstands impacts, and ensures long-term safety Safety Design: Tilted shelves of cylinder tank rack enable freon tanks sit securely inside the tank rack, can prevent tank sliding and reduce the risk of accidents. Carbon steel fixing brackets can be fixed on cargo van by drilling holes, enhancing stabili.