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Ethylene Detector | E2638-C2H4 | Evikon MCI OÜ
Buy Wholesale China High Precision 0.001ppm, 1ppb Rippen Room C2h4 Gas Detector Ethylene Sensor Portable & Rippen C2h4 Gas Detector Ethylene Sensor Portable at USD 400 | Global Sources
2pcs Winsen Ze11-c2h4 General-purpose High-performance Gas Detection Module Temperature Compensation Excellent Linear Output - Instrument Parts & Accessories - AliExpress
MIX8425 Electrochemical Ethylene(C2H4) Gas Sensor--Mixsen