Matala Hakko Diffuser Base & Diffuser 2 pack

Makes pond and lake aeration easier than ever!
The air diffuser platform allows you to mount the air diffuser firmly at the bottom of the pond and keeps the air diffusers up out of the mud. The air diffuser platform is designed with a hollow base that can be filled with sand or gravel. Choose the number of disc diffusers for your installation needs.
The Matala EPDM disc diffusers are designed for industry heavy duty installation. Precision perforated I-shaped slits open when airflow is present and close when airflow is stopped, which increase the slits resist from tearing, and stay cleaner longer. These diffusers offer the lowest back pressure in the market, only adds less than 6 inches of water depth back pressure, allowing you to utilize your air pump in the most efficient way. All come with a single 3/4-inch PT female threaded outlet connection. (1/2-5/8-3/4-1 inch barb x 3/4 MPT, step adaptor included.)