![]() Filters are designed with a specific capacity. Even with the correct filter against biological or chemical weapons, your gas mask may not fully protect you. Therefore, the effectiveness of your gas mask is down to the filters that you use, more than which actual mask you buy. A good supply store will carry multiple brands such as 3M and North because different brands can fit faces differently. Alas, there is no one filter that can protect you from everything. I'd rather use an N95 filter in a respirator that fits properly than a P100 in a respirator that doesn't fit well. Really, some protection is better than none, but it's still a good idea to get fit tested to make sure the respirator actually fits properly (and they'll show you how to check for proper sealing, and under/overtightening). 3 microns or larger, such as the zinc oxide that is formed when welding galvanized materials. The 100 part of the filter means it filters out 99.97% of particulates. The P rating is important because it adds the ability to resist oils that break down or clog standard filters, and some vapors. Will my cartridge/filter and respirator mask protect forever. The 3M Gas and Vapour filter 6098, AXP3 can be used where protection against low boiling point (<650C) organic compounds and particulates is required. If you are welding galvanized, stainless, or cad plated metals, you need a P100 rated filter which as far as I know is only available in a half face or full face respirator. 3M is committed to develop quality safety products to help protect workers. 3 microns or larger, and is useless for fumes and vapors. For this reason, 3M offers a variety of cartridges and facepieces to help protect workers in different environments and satisfy personal preferences. 3M 3000 Series gas and vapour and particulate filters. 3M Health Care Particulate Respirator and Surgical Mask 1860, N95 120 EA/Case. Choose a mask and either a combined gas and vapour/particulate cartridge or a separate. A NIOSH rating of N95 is only good for 95% of particulates of. 3M Organic Vapor/Acid Gas Cartridge/Filter 60923, P100, 60 EA/Case. ![]() For example: fit the 3MParticulate Filters 5925 (P2) and the 3M Filter Retainer 501 over the gas/vapour cartridge to provide combined protection against dusts, mists and fumes as well. If there is exposure to particulates, including mists, use a combination of filters for protection. ![]() ![]() Click to expand.You are right, a dustmask style filter like the 3M N95 in the hotrod link is good for filtering out grinding dust, and occasional fumes. Note: Gas/vapour cartridges do not filter particulates. ![]()
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