Pond H2o 12 Inch (30cm) Long by 50mm Diameter Airstone Cylinder Bubbler Bar, Large Air Stone Diffuser for Water Garden Koi Fish Ponds or Fish Tanks, Saltwater, Marine Aquariums and Hydroponic Use

Requires Airpump to operate, gives large volume of diffused Air Stainless Steel nipple. 12 Inches or 30cm Long. Sintered to 1000 Degrees for Fine Bubbles. 5/16th(8mm) Airline Fittings. Heavy Duty Bar Air Stone to successfully keep aquatic fish and plants aerated. Very durable, washable and sintered by high temperature. Creates water currents and underwater scenes, bubbles in fish tanks, aquariums, and ponds while attached to an air pump(air pump is not included). The airstones add oxygen to the water, as the bubbles aerate the water they also help circulating hydroponic nutrients invigorating the roots of plants and boosting healthy growth. Making for HAPPY fish... PondH2o 12 Inch (30cm) Airstone Cylinder Bubbler Bar, Large Air Stone Diffuser for Water Garden Koi Fish Ponds or Fish Tanks, Saltwater, Reef, Marine Aquariums and Hydroponic Use

• 12 Inch Long by 50mm Diameter - Large Volume Airstone. Requires Airpump to operate, gives large volume of diffused Air Stainless Steel nipple. 12 Inches (30cm) Long by 50mm Diameter
• Sintered to 1000 Degrees for Fine Bubbles to increase aeration efficiency. Easy to Use
• Fits 1/8th (4mm) to 5/16th (8mm) Airline Fittings
• Very durable, washable and sintered by high temperature. Creates water currents and underwater scenes, bubbles in fish tanks, aquariums, and ponds while attached to an air pump(air pump is not included). The airstones add oxygen to the water, as the bubbles aerate the water they also help circulating hydroponic nutrients invigorating the roots of plants and boosting healthy growth. Making for HAPPY fish...Bumper bars keep stone off bottom of pond
• Long Lasting PondH2o Quality