Active Aqua Air Stone, Round, 8" x 1"Description Active Aqua Air Stones: These air stones serve as an optimal method for infusing oxygen into your hydroponic growth setup. The micropore composition plays a key role in enlivening the growing solution while aerating and circulating nutrients. Using air stones enhances the longevity of your nutrient solution, ensures root health, and stimulates remarkable growth. Easy Mount Suction Cups: These air stones come with easy mount suction cups