Honeywell 2108N4000N Searchpoint Optima Plus Point Infrared Gas Detector
2108N4000N Optima Plus Gas Detector, hydrocarbon version, 4 to 20mA output, ATEX/IECEx, M25 thread spigot, electro polished 316SS, includes polyester mesh dust barrier, nylon weather protection housing and LNP Faradex deluge/sunshade by Honeywell Analytics