
Fall Protection & Respiratory
4-Gas Calibration Gas - 50% LEL Methane / 18% O2 / 25 ppm H2S / 100 ppm CO, 34-116 L
- Calgaz · MSA · Industrial Scientific
- CH4 2.5% (50% LEL) / O2 18% / H2S 25 ppm / CO 100 ppm / N2 balance

P100 particulate filter with an activated-carbon layer that relieves nuisance-level organic vapor or acid gas odors below the exposure limit. Built for welding, smoke-damage restoration and odor-heavy demolition.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
P100 particulate filter with an activated-carbon layer that relieves nuisance-level organic vapor or acid gas odors below the exposure limit. Built for welding, smoke-damage restoration and odor-heavy demolition. • NIOSH P100 particulate protection (99.97%, oil-proof) • Carbon layer relieves nuisance odors below the PEL; not a substitute for a chemical cartridge • OV-relief version for welding fume and smoke odor; AG-relief version for ozone/chlorine-type odors • Low-profile pancake fits under welding helmets • Bayonet mount - match to your facepiece brand Brands we quote: 3M · North · MSA. Brand names are trademarks of their owners. Mays is an independent supplier, not an authorized agent of any brand; current manufacturer models are confirmed on your written quote.

Fall Protection & Respiratory

Fall Protection & Respiratory

Fall Protection & Respiratory

Fall Protection & Respiratory