3M Mercury Vapor/Organic Vapor/Acid Gas Cartridge/Filter P100 60927 dust-mask they will not slip

they will not slip

Also has adjustable dual nylon straps for maximum comfort customization

Measures 2-1/2-inch length by 2-1/2-inch height by 1-3/4-inch width

Dolphin M4

3M Mercury Vapor/Organic Vapor/Acid Gas Cartridge/Filter P100 60927 dust-mask they will not slip3M Mercury Vapor Organic Vapor Acid Gas Cartridge Filter P100 60927 NIOSH approved for protection against mercury vapor, chlorine, sulfur dioxide, organic vapor and hydrogen sulfide NIOSH approved P100 particulate filter for respiratory protection against certain oil and non oil based particulates Bayonet connection style for compatibility with many 3M half and full facepiece respirators Swept back design for enhanced field of view and comfort P100