GPS - Model PrO2-021 -Smallest Unit

The PrO2-021 is our smallest unit in the PrO2 Series. Shown here equipped with the optional D/O meter, the unit can be mounted to a wall, the floor, or a truck. Due to its portable yet powerful design, the PrO2-021 is ideal for aquaculture, horticulture and laboratory applications. Capable of injecting .85 lbs. of dissolved oxygen per hour running at full capacity, it delivers at a rate of 2 GPM using a single zone.