EasyPro Quad Membrane Air Diffuser with base - EPMD4

• Membrane air diffuser assembly that features a hollow base that can be filled with sand or gravel
• 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 .8 - 3 cfm , double head handles airflow from 1.6 - 6 cfm .
• 3/4" female threaded outlet located in the base of each diffuser, 1/2" barbed tubing adapter included