This item came and I took it out. There were no punctures in the bag or package it came in. It fit my girlfriend well (she's wearing it), but it fit me small (as expected).

The fit is is pretty tight as you test it by inhaling and closing off the filter connections. So there aren't any air leaks. So I'm pretty confident that this respirator works well.

I have been using this mask, with the pink 3M model# 2091 P100 RESPIRATOR FILTERS 3M - 2091 - 3M P100 Particulate Filter, for many years for woodworking, construction demolition and drywall sanding. It's like breathing through a HEPA filter. Keeps dust, mold, pollen and other airborne debris out of your respiratory tract MUCH BETTER than those cheap paper masks you find in hardware and Home stores. It's also very lightweight and comfortable for day-long use. A pair (2 needed) of replacement filters are cheap at around $5. The mask comes in small, medium and large sizes to fit your face for a good airtight seal against your skin. I'd have to find a new line of work and different hobbies if not for these babies.