Universal Replacement Humidifier Chamber for Respironics M Series

The universal replacement water chamber kit works with all Respironics M Series CPAP and BiPAP machines. Respironics currently manufactures 2 styles of M Series humidifiers: the R2 version and R3 version. This chamber is designed to work with BOTH versions of M Series heated humidifiers. It has one chamber bottom and both a J-tube top and a side-by-side chamber top.