Restore your pond aeration kit to new with Airmax® Air Stones. Replace broken or clogged pond air stones for maximum airflow. Airmax® Air Stones for ponds are designed to fit ¼" vinyl airline.

…Replacement Air Stone includes a 1/2" male NPT fitting to connect to an existing foot valve when replacing worn or damaged air stones. The Air Stone can also be used to add additional airline and increase aeration for your existing windmill. No hardware or foot valve is included. Air Stone…

…your existing worn or damaged windmill air stones in a matter of minutes. The replacement air stone includes a separate foot valve (backflow valve) that attaches to the top of the diffuser and prevents water from coming back into the airline. The air stone can also be used to add additional airline…

…To Install & Maintain The Windmill Air Stone Kit will help you increase aeration output of your existing windmill. The kit comes with a dual control valve that allows you to adjust the amount of air your windmill is feeding to the submerged air stones. All necessary hardware is included and…