
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

Replacement ducting for manhole and vault blowers. Lay-flat or statically conductive, in 8 and 12 in diameters and 15 or 25 ft lengths, with or without a canister. Restores forced-air ventilation for confined-space entry.
Tell us quantity, sizes and delivery city. Volume pricing and custom branding are confirmed on a written quote.
Replacement ducting for manhole and vault blowers. Lay-flat or statically conductive, in 8 and 12 in diameters and 15 or 25 ft lengths, with or without a canister. Restores forced-air ventilation for confined-space entry. • 8 in and 12 in diameters to fit standard confined-space blowers • 15 and 25 ft lengths; connect sections with duct couplers • Statically conductive ducting for flammable atmospheres • Spring-wire reinforced vinyl or polyester; tear-resistant • Optional canister for storage and mounting on the blower • Manhole passthru option keeps the opening clear for entry and retrieval Brands we quote: Allegro · Air Systems International · Euramco. 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