I believe so cause nowadays just about everything can be altered and forged. I'm one of the worst when it comes to trying to save money but that's why I'm always reminding myself "sometimes you get what you pay for.

Out of all the full face masks I've tried I found that the cushion on the F20 was the absolute best at preventing leaks. I tend to get oily skin where the full face masks sit so the cushion was the best option. Just don't over tighten it. Also I recommend changing it when it starts wearing down caus...