This aluminum refillable oxygen cylinder features a standard CGA-540 valve with safety handle.  Used for filling smaller portable cylinders or as backup emergency oxygen supply for a home oxygen generating system.

Specifications:
CAPACITY:    680 liters
DIAMETER:   4.38"
LENGTH:       28.9"
WEIGHT:       8.4 lbs
VOLUME:      24 cu.ft.  (2015 psi)