Hakko Air Diffuser

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 and Double head handles airflow from 2.8-8.4 cfm. 3/4" NPT threaded outlet located in base.