The Dophin 7500 Double 2 Step Air Pump is used with air stones to oxygenate the water which assists with nutrient uptake. Oxygen is a crucial part in a Hydroponic system as it promotes the stimulation of beneficial aerobic organisms increasing the water quality and assisting with the uptake of nutrients.

FEATURES

Hi / Low setting
Safe and quiet operation
Strong & reliable air supply pump
Super Performance and high output
Double outlet