
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

NIOSH-approved N95 respirators made in the United States, for federal, VA and USACE jobs under the Buy American Act. Country of origin is confirmed per model on your quote. Cup and flat-fold styles in multiple sizes for fit-testing.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
NIOSH-approved N95 respirators made in the United States, for federal, VA and USACE jobs under the Buy American Act. Country of origin is confirmed per model on your quote. Cup and flat-fold styles in multiple sizes for fit-testing. • NIOSH N95 approval (TC-84A) verifiable on the CDC Certified Equipment List • US-made models; the maker's country-of-origin letter requested for BAA submittals • Cup and flat-fold styles; valved and non-valved • Sizes S/M/L for fit testing • For silica, dust, mold remediation and restoration • Box of 20; case of 160-240 Brands we quote: Moldex · Prestige Ameritech · 3M. 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