Description
RKI Instruments ESR-B134-NH3 $221.97 No Sales or Local Tax Anywhere. Free Shipping. Sensor, Ammonia (NH3) 0-400 ppm for GX-3R Pro / SC-04. Premier Portable Instruments GX-3R Pro 04 Series Replacement Sensor
Ships direct from RKI to your door
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Free Shipping
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In Business for 47 Years
We have been helping protect since 1978!
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Your Safety. Our Mission.
Shepard Safety Products delivers high-quality safety gear designed to protect workers, businesses, and communities. We focus on durability, comfort, and certified protection—because safety is not an option, it’s a responsibility.
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