Air stones and diffusers are weighted and easy to install to complete your aeration system. They provide maximum fine air bubbles and create a collumn that will oxygen and create a current to move the water.
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 1.4 - 4.2 CFM and dual head handles airflow 2.8 - 8.4 CFM.