Ecoplus Commercial Air 1 18 Watt Plant Supplements allows for a single point

allows for a single point calibration for pH and/or conductivity sensors

Essential trace minerals: High plant performance ~ Benefits of many sources for balanced nutrition

4" diameter

The EL2 can control 1000 max repeater bus fixtures and 80 max single bus fixtures without a booster

Ecoplus Commercial Air 1 18 Watt Plant Supplements allows for a single pointWidely used to provide oxygen in aquariums, fish farms and hydroponic systems. Includes chrome air manifold, ranging from four to sixteen outlets. Cylinders and pistons are made of excellent materials, making the pump strong, durable. Convenient to operate without oil or much noise.