Active Aqua 1" Fill/Drain Fitting, pack of 10 Environmental Controllers This diverse formula helps assure

This diverse formula helps assure that none of the elements necessary for plant growth will fall out of solution and lock out

This impeller and guide vane combination provides a smooth laminar air flow which in turn minimizes turbulence and noise and generate an excellent air flow to static pressure performance ratio

In other words

2 Extension

Active Aqua 1" Fill/Drain Fitting, pack of 10 Environmental Controllers This diverse formula helps assure1" fill drain fitting. This is the fitting that is commonly used to transfer nutrient solution between the flood table and the reservoir in flood & drain hydroponic systems via 1" tubing and a pump.