BW 34 Liter Quad Calibration Gas Bullard Cap Style Wildland Helmet With Ratchet • Replaceable and washable ear/neck

• Replaceable and washable ear/neck protector for enhanced comfort and protection

• Constructed from durable flame-resistant Nomex® material

• Applications: Wildland firefighting

• Heavyweight flame-resistant full-grain leather upper construction

BW 34 Liter Quad Calibration Gas Bullard Cap Style Wildland Helmet With Ratchet • Replaceable and washable ear/neckThe BW 34 Liter Quad Calibration Gas is a pre mixed calibration gas cylinder designed for accurately calibrating compatible four gas portable gas detectors. Containing a precise blend of methane (CH), oxygen (O), hydrogen sulfide (HS), and carbon monoxide (CO), this calibration gas helps verify detector accuracy and maintain reliable performance during routine calibration and maintenance procedures. Ideal for industrial facilities, confined space