THANK YOU, Link C, Cosmo, Pugsy and 2B sleeping soundly! It was great of you guys/gal to reply so fast and provide some advise. Your points of view were very helpful and gave me some clues to understand the relativity of the Kaiser prescription. I'll be watching the white filter from now on. I still...

Hello all! I've just joined yesterday to get some info from experienced users. I have been told by my sleep lab at Kaiser that I need to replace the mask, tubing and the inside white filter every 3 months! Is that a standard period of time? Do these items get worn out that soon just by breathing thr...