I use alot of laquer and other volitile finishes. This mask works well. In fact, it is the first mask I have owned (out of three different brands) that did not pass any laquer thinner oder. The silicon warms nicely and molds to my face. I like the threaded screw on cartridges. That is the most secure and fool-proof attachment.
The price is reasonable too, considering the excellant functionality. North 7700 Series Half-Face Respirator, Medium
I've owned 3 of these in 26 years. It is a great product with adaptability to different exposure environments by a simple change of cartridges. It works if fitted correctly. The one weak link is the strap system as it is attached to the body of the mask. Over time the plastic becomes brittle and cracks. It maybe lasts 5-7 years. This current version may have improved in that area. Worth every cent if you like keeping your lungs. If you still smoke cigarettes though don't bother using it.
I worked in an oil refinery for 30 years and used a half face respirator almost daily. My company used several other brands, but they were uncomfortable for long periods and didn't fit well. North uses a more compliant material that is both comfortable and seals well. You can wear this respirator for 8 hours without discomfort. The only problem I had was with the plastic slip lock on the back of the neck strap. On earlier models it was flimsy and broke after a few months. This was stregthened on later models and is no longer a problem. The rubber inlet valves need replacement every few months if you use the respirator for several hours a day. Extra valves are easy to obtain online and are very inexpensive. This is the best fitting, best sealing, and most comfortable half face respirator. - Filter - Woodworking - Carbon Filter - Respirator'
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