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ORP-1692 ORP REDOX Meter -1999 ~ 1999mV Tester Durable Accurate Measurement

Regular Price $20.90 USD

ORP-1696 ±1999mV ORP REDOX Meter + Electrode + Power Adaptor

Regular Price $44.90 USD

ORP-228 ORP Redox Meter Tester -1999~1999mV, 1-point Calibration, Aquariums, Swimming Pools, Water Quality Tester

Regular Price $18.90 USD

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ORP-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Water Quality Tester for Hydroponic Aquarium Fish Tank

Regular Price $55.33 USD

ORP-301 Pensize ORP Redox Tester -1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter

Regular Price $19.76 USD

ORP-301_POW Pensize ORP Redox Tester -1200~1200mV Water Quality Measurement ±2mV High Accuracy Oxidation Reduction Potential Meter

Regular Price $21.90 USD

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ORP-8651 3-in-1 Heavy Duty pH, mV & Temperature Meter w/ auto buffer recognition

Regular Price $0.00 USD

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ORP8552 ORP Meter Pen Type Redox 999mV Waterproof IP65 Digital Water Treatment Tester

Regular Price $42.90 USD

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OZ-004 Digital Ozone Generator Air Quality Purifier O3 Clean Sterilization Air Dryer 200mG/H 220V ONLY

Regular Price $0.00 USD

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OZ-30N 200mg/h Ozone Generator w/ 220V, Low Power Consumption

Regular Price $42.90 USD

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OZX-1KNT24 Ozone Generator 1000mg/h Purifier Drinking Water

Regular Price $118.90 USD

OZX-300AT O3 Generator w/ Built-in Air Pump Timer, Ozone Output 500mg/hr

From $66.90 USD

PAR-355 Light PAR Meter Advanced Quantum Sensor Measure Grow Light Intensity Lux Meter PPFD Tester for Indoor and Outdoor Plant Photosynthetic Activity

Regular Price $68.90 USD

PAR-380 Quantum PAR Meter Photo Synthetically Active Radiation PPFD Tester for Plant Lighting Horticulture, Research Study of Indoor and Outdoor Plants

Regular Price $85.90 USD

PAR-414 Full-Spectrum Quantum PAR Meter Waterproof Sensor IP68 for Aquarium Reef Tank Plants PPFD Tester Indoor Plants, Garden, Farm, Hydroponics Photosynthetic Activity

Regular Price $97.90 USD

PAR-499 Digital PAR DLI Meter Datalogger Plant Light Meter for Growers, Measures PAR & Daily Light Integral (400-700nm) Photosynthetic Light, Ideal for Hydroponics, Greenhouses & Indoor Gardening

Regular Price $44.90 USD

PAR-530 Spectroradiometer PPFD Meter Spectrometer PAR Quantum Meter UV IR Light Color Control Analysis Measures 320-800nm from 0~5000μmolm²/s Ideal for Plant Growth, Lab, Home and Industrial Use

Regular Price $61.90 USD

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PC-104 pH CL2 Chlorine Level Meter Water Quality Tester Monitor

Regular Price $19.90 USD

PCM-282 Digital Power Meter Wattmeter Energy Consumption Meter Plug-in Socket Design

Regular Price $8.90 USD

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PCM-283 Digital Power Meter Electricity Usage Monitor Watt Voltage Tester

Regular Price $13.90 USD