
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

Broad-coverage cartridge for organic vapors, acid gases, ammonia, methylamine and formaldehyde with an integrated P100 filter. Built for remediation, fire restoration and disaster-recovery crews.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
Broad-coverage cartridge for organic vapors, acid gases, ammonia, methylamine and formaldehyde with an integrated P100 filter. Built for remediation, fire restoration and disaster-recovery crews. • NIOSH multi-gas/vapor + P100 in one cartridge • Covers OV, chlorine, HCl, SO2, HF, ammonia, methylamine and formaldehyde (per approval label) • Integrated P100 for mold, soot and dust • Olive + magenta color code • Change-out schedule required 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