Active Aqua Air Stone Cylinder Medium

Energize Your Growing Solution & Nutrients With Aeration And Circulation Active Aqua air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it aerates and circulates nutrients. Air stones will extend the life of your nutrient solution, help keep roots healthy, and promote exceptional growth. Available In Three Versatile Sizes: Small: 1.4"D x 1.7"H | 1/4" fitting Medium: 2"D x 2"H | 1/4" fitting Large: 2"D x 4"H | 1/4" fitting