Companion Reservoirs 21, 31, & 41
Companion® Liquid Oxygen Reservoirs offer high quality and reliability. Companion 21, 31 and 41 models have capacities of 21, 31 and 41 liquid liters of oxygen, respectively. The proven vessel design of these reservoirs is rugged and easy to use. Low maintenance and long life make them cost-effective to own. The Companion reservoirs are compatible with all Companion Portable Liquid Oxygen Units.

Features

• Low maintenance; no batteries required.
• Enhanced insulation system decreases evaporative oxygen losses.
• Built-in flow control valve provides 11 standard settings from 1/4 to 6 LPM.
• Mechanical contents indicators give reliable reading of remaining oxygen levels.

Companion 41 are available in the United States; Companion 31 are available in Europe.