The replacement Exhalation Elbow Kit for the HC405 and HC452 is made of molded plastic and connects the mask frame to the hose, and also serves as the primary noise diffuser. The elbow should be replaced if it's damaged or cracked in order to keep your CPAP mask working like new.
This Exhalation Elbow is a perfect match for the HC405 Nasal Mask and the HC452 Oral Mask.
the elbow includes a filter which reduces cold air motion around the face, and is quieter
Exactly what I have been looking for. My local supplier told me that this style of elbow was no... more...