
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

OEM high-efficiency (HE) filters and organic vapor/HE combination cartridges for powered air-purifying respirators. Matched to your installed blower for abatement, welding fume and remediation work.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
OEM high-efficiency (HE) filters and organic vapor/HE combination cartridges for powered air-purifying respirators. Matched to your installed blower for abatement, welding fume and remediation work. • Genuine OEM parts keep the NIOSH PAPR approval valid • HE (99.97%) particulate filters for lead, asbestos, silica and mold • OV/HE combination cartridges for solvent plus particulate exposures • Matched to 3M Versaflo, Bullard EVA/PA30 and ILC Dover Sentinel platforms • Ask about scheduled replenishment based on your cartridge change-out schedule Brands we quote: 3M · Bullard · ILC Dover. 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