Matala offers a 9" membrane air diffuser assembly that features a hollow base that can be filled with sand or gravel. This eliminates the need for bricks and straps to get the diffuser to sink. Available in both a single head or dual head assemblies. Single head handles airflow from 1.0 - 4.2 cfm.
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Matala Air Disc Base Single w/ 9in Disc
Aquarium Air Manifol...
We recommend that you use these small manifolds for aquariums. These small air manifolds c...