O Ring for M Series Humidifier

The M Series Humidifier O Ring is a replacement gasket O ring for use with only the R1 chamber for M Series Humidifiers. The R1 chamber has a replaceable O ring and features a blue latch. Later versions have a black latch.

If you have any doubt, please see the M Series Replacement Humidifier Chamber which features a universal kit which can be used with any M Series humidifier.

What's Included:

• 1 Replacement M Series O Ring