Hello all, first-time poster. Hoping someone could lend a hand. welcome to the zoo! did the p10 come with an array of sizes? if so, try the next size up. or you can try using lansinoh which is a lanolin product used by nursing mothers for sore nipples. the lanolin is slightly tacky and helps the pi...

Hello all, first-time poster. Hoping someone could lend a hand. I'm a new CPAP user and have used an Airfit F20 for a couple nights. Tonight I wanted to try the Airfit P10, and I noticed it makes a loud hissing noise every time I inhale and exhale, which doesn't abate no matter how I position or tig...