This listing is for 1 brand NEW 7" Matala Membrane diffuser with a weighted base.

These can be used with any style pump we sell and in any body of water where Aeration is needed.

Use with Diaphragm pumps, rocking piston pumps, rotary vane, linear, and others.  

Tee off single lines to create more aeration.

The MD-7W has:
- a 3/8" connector barb for larger air pumps.
-EPDM rubber disc diffuser, easy to clean.
-very low back pressure.
-flow rates for MD-7W is 15 lpm to 65 lpm / 0.5 cfm to 2.3 cfm.
-weight of MD-7W is 3.3 pounds.

MD-7W Diffuser Specification:

  • Flow: up to 40 lpm or 1.40 cfm each
  • Membrane: EPDM
  • Connection: 3/8"
  • Dimensions: 7 inch diameter
  • Weight: 3.32