RKI Instruments GX-3R Pro Gas Monitor, 72-PAA-C related_1-1-4-inch-epdm-rubber-flange-gasket-2-pack Filter change out differential: 15-20"

Filter change out differential: 15-20" H2O (37‐50 mbar) over initial Δ P

Material: PVC

For many toxic gases

Each pack includes 2 100-105SSG-LH ball valves with stainless steel ball and stem and latch lock handles

RKI Instruments GX-3R Pro Gas Monitor, 72-PAA-C related_1-1-4-inch-epdm-rubber-flange-gasket-2-pack Filter change out differential: 15-20"RKI Instruments GX 3R Pro, 5 gas, LEL O2 combo H2S & CO ppm CO2 with 100 240 VAC charger The GX 3R Pro is the worlds smallest 5 gas monitor weighing only 4. 58 ounces and fits in the palm of your hand (2. 9 W x 2. 6 H x 1. 06 D). It simultaneously monitors and displays 5 different gases. In addition to monitoring standard confined space gases, LEL, O2, CO, & H2S, the GX 3R Pro has a 5th channel where you can add infrared or toxic gas sensors (Hydrogen