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BW Technologies BWC4-Y-N Clip4, 4-gas (Combustible, O2, LEL, H2S, CO) - 2-Year Detector, Mixture of Lexan, TPE and Plastic, Yellow, 4.7" X 2.7" X 1.3": Amazon.com: Tools & Home Improvement
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Honeywell BW Clip Multi-Gas Portable Gas Detector portable gas detector:Industrial | Fisher Scientific
Airgas - B86BWC4BN - BW Technologies by Honeywell BW™ Clip4 Portable Hydrogen Sulfide, Combustible Gas, Oxygen And Carbon Monoxide Gas Monitor
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