What is the difference in medical oxygen cylinder sizes?

Size D

Capacity: 350 - 415 L (12 - 14.7) cubic feet; 6,000 psi

Duration of use: 2 ½ hours @ 10 LPM flow

Weight when full: 37 lbs including cap and valve

Diameter: 6 3/8 inches

Length: 24 inches

Size E

Capacity: 625L, 22 cf; 2,250 psi

Duration of use: 5 ½ hours @ 10 LPM flow

Weight when full: 58 lbs including cap and valve

Diameter: 7 3/8 inches

Length: 36 inches

Size M

Capacity: 2,600L, 92 cf; 1,800 psi

Duration of use: 17 hours @ 10 LPM flow

Weight when full: 186 lbs including cap and valve

Diameter: 10 ¾ inches

Length: 59 ½ inches

Size Jumbo D

Capacity: 4,950L, 175 cf; 1,800 psi

Duration of use: 3 days @ 10 LPM flow

Weight when full: 248 lbs including cap and valve

Diameter: 10 ¾ inches

Length: 77 ¼ inches