"The Airstone allows oxygen to dissolve into water by breaking a stream of air into thousands of tiny bubbles, which can be a critical component in the successful aeration and health of a pond or lake. Includes qty. 1, Accessory Type Diffusers and buckets, Product Type Windmill accessory, Compatible With Pond, lake, Material Type Airstone, Application Oxygen dissolves into water, Size in. 7. This is critically important in any climate with below-freezing temperatures"
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