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Professional High-Precision Portable Breathalyzer With LCD Digital Display - Non-Rechargeable AAA Batteries, Black ABS Design, Suitable For Home Use, Home Alcohol Detector | Digital Display Device | Durable Plastic Housing, Alcohol Tester - Batteries Not Included
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Adjustable 7.83Hz Schumann Resonance USB Frequency Generator, Wide Frequency Range Adjustable From 0.1Hz To 100kHz, High-Precision Digital Display, A Replacement For Tuning Forks, And An Essential Tool For Scientific Research And Testing.
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1pc 5-In-1 Stud Finder, Equipped With Smart Microprocessor Chip And High-Definition LCD Display, Stud Finder For Detecting Center And Edge Of Wood, Wires, Metal Studs, And Joists
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4 Way AC Manifold Gauge Set R134a R410a R22 R32 R404a W/ 4 Hoses HVAC Tool Kit
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Optometry Trial Lens Set Professional 266 Lenses Trial Frame Non-Magnetic Fit MRI High Safety Dustproof Optometry Kit
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Laboratory High-Temperature Circulating Oil Bath, Up To 300℃/572℉, 10 L Lab Constant Temperature Heating Tank, 0.1℃ High Precision, Internal And External Dual Circulation, For Laboratory
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