The Universal Size SCBA Storage Rack LR12-U is designed for easy storing of any combination of (12) 30, 45, 50, or 60 min. SCBA bottles, or fire extinguishers. This rack manufactured of heavy gauge, square tubing, round bar, and full length bottle valve protectors for increased safety. The angled shelves, equipped with bumper guards, are dirt and dust collection free and allow free air flow for drying. Each Rack is equipped with bolt down feet.