AquaMax air stones are great way to add oxygen to your hydroponic growing system. The advanced micro-pore design will energize your growing solution as it aerates and circulates your nutrients. The stones will extend the life of your nutrient solutions, help keep your roots healthy and promote exceptional growth. The air disc has a built-in 3/8″ 90 degree elbow fitting that insures the airline connects freely.

Choose a 4″ or 6″ diameter stone