EPMD1 Membrane Diffuser Assembly

• Membrane air diffuser assembly that features a Heavy Duty hollow base that can be filled with sand or gravel.
• Eliminates the need for bricks and straps to get the diffuser to sink!
• Quad heads handles airflow from 3.2-12 cfm.
• 3/4" female threaded outlet located in the base of each diffuser, 1/2" barbed tubing adapter included