Product: VIVOSUN Air Stone 2PCS 4 X 2 Inch Large Air Stone for Aquarium and Hydroponics Air Pump
Brand: VIVOSUN
Description: Oxygen is very important for hydroponic growing system, air stones is a great tool to add oxygen and circulate nutrition to your hydroponic growing system. They can produce fine bubbles for oxygen replacement, extend the life of your nutrient solution, keep roots healthy. Air Stones are ideal for hydroponic systems, ponds, aquariums or fish tanks and other systems. 
Designed to add oxygen and circulate nutrition to your hydroponic growing system
Extend the life of your nutrient solution, keep roots healthy
Produce fine bubbles for oxygen replacement
Size: 4" X 2" X 2"; Fits for 4mm inner diameter tube
Fit for hydroponic systems, ponds, aquariums or fish tanks and other systems

Search query: active aqua air pump
Relevance: Irrelevant