Matala Single Air Base w/ 9 Cat. No. DP-Mah30 Weight 3 lbs	$80.95
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 1.4 - 4.2 cfm.