Viking Miner 49er VC495400M ~ Firewall FR Miner 49er Mining Coveralls Color_Black The 3M Versaflo Prefilter can

The 3M Versaflo Prefilter can extend the service life of the particulate (HE) element of 3M Versaflo Filters and Cartridges

Certified to CSA Z94

TR-662 in place

It helps prevent sparks and other hot particles from damaging the filter/cartridge and can be used as a cleanable prefilter

and oil-resistant

Viking Miner 49er VC495400M ~ Firewall FR Miner 49er Mining Coveralls Color_Black The 3M Versaflo Prefilter canViking Firewall FR Miner 49er Mining Coveralls Viking Firewall FR Miner 49er CSA Striped Mining Coveralls 7 oz Westex by Milliken Flame Resistant Fabric 88% Cotton 12% Nylon Orange Brand Viking Line Miner 49er Product Type Coveralls Size Medium