Thanks all for comments and help!
The doctor recommended me to try a nasal mask instead and gave me me a N20. I have slept two night with it now and have slept really good! No leaks with this one! Seems like I don't need to seal my mouth nor use a chin strap either.

Thanks for quick responses @ragtopcircus and @pugsy <3 I was somewhat under the impression that I needed a FFM, if nothing else as an extra mask, for when you get a cold.... I'm also not sure if I sleep with my mouth open (which will not work with a nasal mask). However, due to the forum here, I hav...

Hi all CPAP'ers! I need your expertise advice please... I've been using a CPAP mask since Oct 9th. I have two masks at home for trial, F20 for her, size small and Amara View. The F20 has the silicone fitting for further sealing area due to my very thin bridge on the nose. I have problems with both m...