Pyramex Safety - LeadHead - Black-Passive Helmet - 2 X 4 lift front IR10 - Lightweight thermoplastic shell provides total head, face and neck protection. Fully adjustable nylon suspension. Lift front with viewing area of 2" x 4 ¼”. Fitted with IR shade #10 welding filter. Optimally balanced, "shake down" helmet minimizes carbon monoxide build up. Ample space for respirators.