With compact design and color LCD Model Recon/4 is capable of simultaneously monitoring for CO (0–1,000 ppm) H2S (0–100 ppm), O2 (0–30% by volume) and combustible gas (0–100% LEL Methane) Instrument has STEL TWA and 2 instant alarms with... Learn more

For Grade D air from compressor Model AFS-50 incorporates 2-stage prefilter/coalescer to remove oil water and solid particles Adsorber removes unpleasant odor and taste Compatible with company's carbon monoxide and oxygen monitors filtration... Learn more