Sera Air 550R/275R Plus Air Pump Diaphragm

Sera Air 550R /275R Diaphragm Membrane air pump replacement

Sera Air 550R/275R Plus Air Pump Diaphragm

Replacement Diaphragm / Membrane for Sera 550R and 275R air pumps

If your Sera air pump is not delivering the air like it use to you might find by replacing the diaphragm membrane will have it back running like new.

For replacing the 275R dual output only one is required.
For replacing the 550R quad output two are required.