TopTes Guard-156 4 Gas Monitor — Fast-Response O2, CO, H2S, LEL 9120B Incidental grit only with the

Incidental grit only with the plate down

As a smoke and CO alarm with voice it tells you which hazard it senses

These are true class 3 mesh vest credentials and a genuine hook-and-loop hi-vis vest — a breathable class 3 vest for high-speed zones

AM/FM radio

TopTes Guard-156 4 Gas Monitor — Fast-Response O2, CO, H2S, LEL 9120B Incidental grit only with theEDITORIAL REVIEW: 4. 4 5 WC Safety Review of the TopTes Guard 156, the fast response mid tier 4 gas monitor. Editorial assessment by Steven Eaton, WC Safety editor, based on published TopTes specifications and category fit. We did not laboratory test this product. The TopTes Guard 156 is a rechargeable four gas monitor reading oxygen, combustible LEL, carbon monoxide and hydrogen sulfide with a fast 0. 5 second sensor response, triple alarms, and a