I replied in yout other thread about the 3M #8514, made for welding on galv.....
http://www.sentrysafetysupply.com/display_product_1671/3M-Particulate-Respirator-8514-N95-with-Nuisance-Level-Organic-Vapor-Relief-Box10.htmquote:
3M Particulate Respirator 8514, N95 with Nuisance Level Organic Vapor Relief -- Product Description:
Sold by the Box(10)
Is designed for applications such as welding, soldering and other operations where metal fumes are present including those with ozone* and nuisance level** organic vapors.
Additional Information:
This respirator is designed for applications such as welding, soldering and other operations in which metal fumes are present, including those present with ozone* and nuisance levels** of organic vapors. It can also be used in grinding, sanding, sweeping, bagging and other dusty/hot operations.
It is especially well-suited for foundry operations, lab settings, undercoating and petrochemical operations.
The 8514 features the 3M(TM) Cool Flow(TM) Exhalation Valve, a cake-resistant media, and adjustable straps.
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pic of box: