
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

Escape-only respiratory protection for fuels, wastewater and federal sites. Filter hoods for toxic-gas and smoke escape; compressed-air or oxygen EEBDs when oxygen may be deficient. Replace by the maker's shelf-life date.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
Escape-only respiratory protection for fuels, wastewater and federal sites. Filter hoods for toxic-gas and smoke escape; compressed-air or oxygen EEBDs when oxygen may be deficient. Replace by the maker's shelf-life date. • Filter escape hoods for H2S, CO, smoke and organic vapors (15+ min) • Compressed-air or oxygen EEBDs for oxygen-deficient escape (10-15 min) • One size fits most; usable over glasses and beards • Vacuum-sealed pouch or hard case with shelf-life indicator • NIOSH CBRN escape-approved models available for federal sites • Escape only; not for entry or work Brands we quote: Dräger · ILC Dover · Ocenco. 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