SPECIFICATIONS Maximum Capacity 3. 0 cu ft / 85 lite Length 13. 4 / 34 cm Diameter 2. 25 / 5. 71 cm Maximum Pressure 3000 psi / 200 bar Weight (full) 2. 17 lb. / . 985 kg Surface Breaths* 57 Water Volume 26. 62 cu in / . 42 liters *Based on 1. 6 liters per breath