Our 4" air stone disc is a great way to add oxygen to your hydroponic growing system. The micro-pore design energizes your growing solution as it aerates and circulates your nutrients. It will extend the life of your nutrient solutions, help keep your roots healthy and promote exceptional growth. This product weighs 0.5-pound. Measures 6-4/5-inch length by 4-4/5-inch width by 1-inch height.

FOR BEST RESULTS, submerge air stone in water for at least 1 hour before turning on air supply

If the air stone does not fully aerate, please increase your air supply

• Aquaponics • Aquaculture • Hydroponics • Ponds • Aquarium use
• 4" Round air stone - 6-4/5-inch long x 4-4/5-inch wide x 1-inch high
• Versatile Metal Air inlet uses both 3/8" ID or 1/4" ID tubing
• Micro-pore design aerates, circulates, and extends the life of your nutrient solution while promoting healthy roots and exceptional growth!
• Only available from Cz Garden Supply (TM), USPTO and Amazon Brand Registry Protected