Carry 8 SCBA cylinders at a time, with ease. Heavy duty reinforced steel construction with durable nylon coating. Bottle carrier holds eight cylinders. Collapsed, it measures only 30" long x 15" wide x 8" high. New design stays up even when empty. Fits both 45 minute and 60 minute bottles.Use it for: •Transporting bottles from fire scene to fill station for refilling. •Transporting bottles at high rise fires—8 per trip instead of 2. •Storing spare bottles.