Front case, Altair 4XR multigas, charcoal PAPR Nylon housing provides impact resistance

Nylon housing provides impact resistance in most worksite conditions

When worn with the soft fleece against the skin

Low cost of ownership

Front-facing opening to add water and preservative

The Zen is designed to fit over corrective glasses

Front case, Altair 4XR multigas, charcoal PAPR Nylon housing provides impact resistanceOutfitted with rapid response MSA XCell sensors, the ALTAIR 4XR Gas Detector is the toughest 4 gas monitor on the market and is backed by a 4 year warranty. Rugged Survives 25 drops from 4 feet (1. 2 meters) (MIL STD 810G 516. 6 Transit Drop 3rd Party Certified) Can survive an incidental 25 foot (7. 5 m) drop onto concrete Dust and waterproof IP68 rating (2 meters for at least 1 hour) Operating temperature range: 40F to +140F ( 40C to +60C) Reliable