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These humidifier water chambers are designed to work with all M-Series Heated & Cool Passover Humidifiers.
Compatibility Information: Two chamber designs are available for MSeries Humidifiers: the R2B (Part 1003757) with side-by-side openings and the R3B (Part 1003758) with staggered openings.
I have an old Remstar Plus and I wanted a new water reservoir. I was so worried I couldn't find one (they're "out of print" so to speak). But you guys had them, so I got 2. Thank you! And you had a great way for me to be sure I got the right one. Fast shipping too. Written by lunaroth2, 2018-11-28
The item I ordered was defective. When I called to report the issue the CSR was very friendly and attended to ensuring that a replacement was tested and shipped within 24 hours. Written by bobtingley49, 2017-10-03
I got a very good product and it was shipped very fast. Written by danecruz1, 2017-09-19
Great perfect fit Written by Richard, 2016-06-23
Fast service great replacement Written by Bill T, 2016-05-10
Works Great... It is doing the job. Written by Thom H, 2014-12-29
It was great finding an exact replacement for my M-Series RemStar Humidifier Water Chamber. The replacement part is an exact match to the factory original. The website described the differences in the various chambers that were utilized for my humidifier making it snap to order the right one. CPAP Exchange has always been my "goto" online supplier for parts and accessories. As a company, they are quick, accurate and cost effective for me. Two Thumbs Up...Five Stars...well, you get the idea! Written by Jose A, 2014-08-13
Products are the same as my insurance and I pay a fortune for at a reasonable cost. Written by Rhonda, 2014-02-24
The new reservoir fits perfectly. I really like the flip latch over the old slide latch. Now I don't have to press down on the lid to slide the latch. The seals line up perfectly and it no longer leaks. I should have gotten this replacement years ago. Written by R. Pein, 2013-05-16
This new chamber has an improved design that fits better and is easy to clean. The new end clip is superior to the old sliding clip that was failing. I am very pleased. Written by DreamChick, 2012-12-29
Not much to really comment on a humidifier, it fits my machine just like the old design. Written by Nadine, 2012-10-04
I haven't had to buy a new water chamber in a while. This design is an improvement over the older one. It doesn't have a rubber seal which will start to wear out and leak over time. Written by Alice Dixon, 2012-03-27
Low cost, rapid shipment! Written by Ivan, 2012-02-25
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