Quick view Gas Monitor H2S GA24XTH BW Technology $189.00 $145.95 BW Technologies GA24XT-H Single Gas H2S Monitor, GasAlertClip Extreme 2-Year Detector, 0-100 ppm Measuring Range, 10 to 15 ppm Alarm Setpoint Single-gas detector for surveying levels of H2 in natural and industrial environments, and in other personal... Compare Add to Cart