Criticare Products / Puritan Bennett Companion™ Liquid Oxygen Reservoirs (Stationary System)
Companion™ Liquid Oxygen Reservoirs are high quality and reliable. Companion™ 21, 31 and 41 models have capacities of 21, 31 and 41 liquid liters of oxygen, respectively. Proven vessel designs are rugged and easy to use. Low maintenance and long life ensure continued reliability. Compatible with all Companion™ portable liquid oxygen units.