Matala® Membrane Air Diffuser Assemblies with Heavy-Duty Base

The air diffuser base allows you to mount air diffuser(s) firmly at the bottom of the pond and keeps the air diffusers up out of the mud. The base is heavy duty rugged plastic with soft edges.  The air diffuser base 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 different model types comes with a single 3/4-inch PT female threaded outlet connection.

12-inch EPDM disc diffuser also available. The flow rate will be almost double.

Single air base.  See picture at the bottom for image

Single air base with a 9-inch disc handles airflow 1.4 - 4.2 cfm .

Recommended for a 25 lpm - 80 lpm air pump.

This utilizes the single air base but incorporates the 12 inch diffuser.

The MDB12 comes complete with two 9" air discs supported above the base. Includes multi-barb for hose connection. Also available with two 12" air discs (MDB12-12) 

The air base comes with a friendly multi-barb that will allow connection to various sizes of air hose including 3/8", 1/2", 5/8" and 1".

MDB22 - Dual Air Base w/ 9 inch discs

Double air base handles airflow 2.8 - 8.4 cfm. 

MDB22-12 - Dual Air Base w/ (2) 12-inch discs

This uses the double air base with (2) 12-inch discs.

MDB24 - Dual Air Base w/ (4) 9 inch discs

This utilizes the double air base with (4) 9-inch discs.  See picture at the bottom of the page

MDB24-12 - Dual Air Base w/ (4) 12 inch discs

This utilizes the double air base with (4) 12-inch discs

Related Parts & Information

Matala Diffuser Discs

Matala Spec Sheet