GAIN EXPRESS Goods From China At AliExpress

Pentype 5-in-1 (pH / TDS / EC / Temp / Salinity) Water Quality Tester Multi-Parameter Waterproof Digital Meter

Price: $26.5

Old Price: $27.9

GAIN EXPRESS Pentype 5-in-1 (pH / TDS / EC / Temp / Salinity) Water Quality Tester Multi-Parameter Waterproof Digital MeterPh Meters China

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Price: $50.5

GAIN EXPRESS Professional Handheld Splashproof Digital pH Meter Temperature High Accuracy +/-0.05PH with Replaceable ElectrodePh Meters

GAIN EXPRESS HOLDINGS Seller

Price: $103.45

GAIN EXPRESS Diamond Moisanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool EquipmentMagnifiers

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$NEW Handheld 0-80% Wide Range Heavy Duty Brix Refractometer Syrup Jam CNC with Dual Scales and Adjustable Focus$

Price: $49.26

GAIN EXPRESS NEW Handheld 0-80% Wide Range Heavy Duty Brix Refractometer Syrup Jam CNC with Dual Scales and Adjustable FocusRefractometers China

GAIN EXPRESS HOLDINGS Seller

Price: $20.61

GAIN EXPRESS 10x Magnification 25mm Magnifier Loupe Interchangeable Reticle 0-20mm Scale + 25mm Field of view with LED LightMagnifiers

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Price: $24.42

GAIN EXPRESS Portable Digital LCD Display Mini ORP REDOX Meter Tester 0 ~ +/-1999mV Range Electrode +/- 5mV AccuracyPh Meters

RED Protools Store

Price: $39.79

GAIN EXPRESS Jewelry Loose Stone Ultraviolet UV Light Jeweller Loupes Selector Tool Moisanite Tester 2pt No Calibration NeededMagnifiers

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Price: $20.5

GAIN EXPRESS 2-in-1 Digital Pen-type pH Temperature Meter Built-in ATC Auto Calibration IP65 with Replaceable ElectrodePh Meters

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Sound Level Meter High Accuracy Measuirng 30dB-130dB Compact Professional Sound Level with Backlit Display

Price: $21.15

Old Price: $23.5

GAIN EXPRESS Sound Level Meter High Accuracy Measuirng 30dB-130dB Compact Professional Sound Level with Backlit DisplaySound Level Meters

GAIN EXPRESS HOLDINGS Seller

Price: $56.19

GAIN EXPRESS Handy Big Prism Spectroscope Gem Gemstone Gemology Testing Gemological Test Tool 130mm Length 20mm in DiameterMagnifiers

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30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Desktop Magnifier Portable Folding Scale (Rechargeable/Replaceable)

Price: $6.98

GAIN EXPRESS 30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Desktop Magnifier Portable Folding Scale (Rechargeable/Replaceable)Magnifiers

GAIN EXPRESS HOLDINGS Seller

Price: $74.8

GAIN EXPRESS Digital Waterproof Humidity Temperature & Pressure Barometric Datalogger Gauge PDF & Excel Report LED Indicator USB DataloggerThermometers

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Price: $13.13

GAIN EXPRESS Handheld Made of Metal Foldable Folding Chelsea Jadeite Filter for Gem Emerald Identification tools 20mm diameterMagnifiers

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$Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale Division$

Price: $60.63

Old Price: $64.5

GAIN EXPRESS Gem Gemological Gemelogy Refractometer with Built-in LED Light + RI Oil + 1.30 - 1.81 RI Range + 0.01 nD Scale DivisionRefractometers China

GAIN EXPRESS HOLDINGS Seller

Price: $193.5

GAIN EXPRESS Professional Digital Dissolved Oxygen DO Meter Tester 0~199.9% / 0~19.99 PPM / 0~19.99 mg/I Range Temperature ReadingThermometers China

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Price: $30.61

GAIN EXPRESS Wearable Wet Bulb Globe Temperature WBGT + HI Heat Index Checker Temperature Humidity TesterThermometers

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Price: $29.01

GAIN EXPRESS Optional ORP electrode for M0199720Ph Meters

RED Protools Store

Price: $31.9

GAIN EXPRESS Digital Water Quality Tester pH Meter w/ FREE 3 Buffer Solutions pH4.01, pH7.00, & pH10.01 ATC Temperature w/ PouchPh Meters China

Innovative Life Store

Price: $35.93

GAIN EXPRESS EC Conductivity TDS and Temperature Digital Meter Total Dissolve Solid ATC Tester PPM PPT uS mS C/F Pen-type 1-Pack with PouchPh Meters

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Price: $31.21

GAIN EXPRESS RS232 CD Software and USB CablePh Meters China

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$Handheld Clinical Refractometer w/ ATC, Tri Scale Blood Serum Protein/ Urine Specific Gravity/ Refractive Index$

Price: $10.45

Old Price: $11.12

GAIN EXPRESS Handheld Clinical Refractometer w/ ATC, Tri Scale Blood Serum Protein/ Urine Specific Gravity/ Refractive IndexRefractometers

GAIN EXPRESS HOLDINGS Seller

Price: $23.03

GAIN EXPRESS Digital Weather Station Wireless Sensors Outdoor Indoor Thermometer Hygrometer w/ LED Light Display, Alarm Clock FunctionThermometers

Innovative Life Store

Price: $22.73

GAIN EXPRESS Digital Weather Station with Indoor Outdoor Wireless Sensors Temperature Humidity Thermometer Hygrometer Weather ForecastThermometers

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Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe Mini Portable Water Quality Monitoring Tester Kit

Price: $13.86

Old Price: $14.9

GAIN EXPRESS Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe Mini Portable Water Quality Monitoring Tester KitPh Meters

Innovative Life Store

Price: $121.6

GAIN EXPRESS 3-Axis Gauss EMF ELF Meter Detector 20/ 200/ 2000 mG & uT Electromagnetic Field Radiation Intensity for Microwave Computer LineFrequency Meters

RED Protools Store

$NEW Handheld 0-80% Wide Range Heavy Duty Brix Refractometer Syrup Jam CNC with Dual Scales and Adjustable Focus$

Price: $48.44

GAIN EXPRESS NEW Handheld 0-80% Wide Range Heavy Duty Brix Refractometer Syrup Jam CNC with Dual Scales and Adjustable FocusRefractometers

RED Protools Store

Price: $40.63

GAIN EXPRESS Handheld MOISANITE TESTER Mounted Jewelry Loose Stone Tool Selector + Ultraviolet UV Light 2pt Jewel Stone No Calibration NeededMagnifiers

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Portable Handheld 30x 21mm Triplet Loupe Jeweler Loupe Magnifier w/ White LED Lights + UV Lighting LED

Price: $13.16

Old Price: $14

GAIN EXPRESS Portable Handheld 30x 21mm Triplet Loupe Jeweler Loupe Magnifier w/ White LED Lights + UV Lighting LEDMagnifiers

GAIN EXPRESS HOLDINGS Seller

Price: $14.96

GAIN EXPRESS Mini 20X Magnification Foldable Foldaway Jeweler Loupe Magnifier + 6 LED & 1 UV light + 21mm Triplet Optical Glass LensMagnifiers

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10x Magnification Jewelery Loupe, 20.5mm Triplet Lens Achromatic Optical Glass Metal(Aluminum) Body Black Frame Hexagonal Design

Price: $6.75

Old Price: $7.5

GAIN EXPRESS 10x Magnification Jewelery Loupe, 20.5mm Triplet Lens Achromatic Optical Glass Metal(Aluminum) Body Black Frame Hexagonal DesignMagnifiers China

GAIN EXPRESS HOLDINGS Seller

Price: $23.96

GAIN EXPRESS 3-in-1 Conductivity EC & pH & Temperature Multi-parameter Tester Digital Pen ATC, Water Quality Test Analyze Calibration KitPh Meters China

RED Protools Store

Price: $19.75

GAIN EXPRESS Precise Pocket-size Digital Oxidation Reduction Potentialis ORP Redox Meter Tester Water Quality Pool Aquarium +/-1000mV RangePh Meters

RED Protools Store

$Gemology Gemstone Gemalogical Gem Refractometer w/ Monochromatic Light Filter + Polarizing Lens 1.30 ~ 1.81 RI Range$

Price: $64.06

GAIN EXPRESS Gemology Gemstone Gemalogical Gem Refractometer w/ Monochromatic Light Filter + Polarizing Lens 1.30 ~ 1.81 RI RangeMagnifiers

RED Protools Store

Price: $13.32

GAIN EXPRESS Handheld Made of Metal Foldable Folding Chelsea Jadelite Filter for Gem Emerald Identification tools 20mm diameterMagnifiers

RED Protools Store

Price: $79.73

GAIN EXPRESS High Sensitivity Handheld Precision Combustible Methane Propane Gas Leak Detector Alarm Sensor 40-640ppm Range + Mute FunctionGas Analyzers

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Universal Automotive Cable Wire Tracker Short & Open Circuit Finder Tester Car Vehicle Repair Detector Tracer 6-42V DC

Price: $17.01

Old Price: $18.89

GAIN EXPRESS Universal Automotive Cable Wire Tracker Short & Open Circuit Finder Tester Car Vehicle Repair Detector Tracer 6-42V DCPower Meters

Innovative Life Store

Price: $68.09

GAIN EXPRESS Handheld 400x Magnification Fiber Optical Inspection Microscope Coaxial illumination (CL) + Built in IR filterRunning Shoes China

RED Protools Store

Price: $15.93

GAIN EXPRESS Handheld Foldable Mini 10x Magnification Power Jeweler Loupe Magnifier + 6 LED & 1 UV light, 21mm lensMagnifiers

RED Protools Store

10x 15x 20x 30x Loupe 21mm Optical Glass Magnifier 6 LED Light UV Light Mini Magnification Jeweller Black Frame Achromatic Lens

Price: $12.31

Old Price: $13.1

GAIN EXPRESS 10x 15x 20x 30x Loupe 21mm Optical Glass Magnifier 6 LED Light UV Light Mini Magnification Jeweller Black Frame Achromatic LensMagnifiers

GAIN EXPRESS HOLDINGS Seller

Digital Shore A Durometer Rubber Hardness Tester Plastic Leather Elastomer 0~100HA Scale

Price: $19.78

Old Price: $21.98

GAIN EXPRESS Digital Shore A Durometer Rubber Hardness Tester Plastic Leather Elastomer 0~100HA ScaleHardness Testers

Ideal Concept Store

Digital Pentype pH Meter Liquid Acidity Water Quality Tester w/ 0.01pH Accuracy Laboratory, Household, Spa, Pool, Aquarium

Price: $3.97

Old Price: $4.26

GAIN EXPRESS Digital Pentype pH Meter Liquid Acidity Water Quality Tester w/ 0.01pH Accuracy Laboratory, Household, Spa, Pool, AquariumPh Meters

Innovative Life Store

Price: $39.38

GAIN EXPRESS Handheld MOISANITE TESTER Mounted Jewelry Loose Stone Tool Selector + Ultraviolet UV Light 2pt Jewel Stone No Calibration NeededMagnifiers China

GAIN EXPRESS HOLDINGS Seller

Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester Kit

Price: $13.86

Old Price: $14.74

GAIN EXPRESS Digital pH Monitor Meter ATC 0.00~14.00pH w/ 1.5M Long Cable Electrode Probe, Water Quality Monitoring Tester KitPh Meters

GAIN EXPRESS HOLDINGS Seller

Price: $97.72

GAIN EXPRESS 6-in-1 Pen type Water Quality Meter pH Temperature Conductivity ORP TDS Salinity Tester optional ORP ( Made in Taiwan )Ph Meters

GAIN EXPRESS HOLDINGS Seller

Price: $13.16

Old Price: $14

GAIN EXPRESS Mini 20X Magnification Foldable Foldaway Jeweler Loupe Magnifier + 6 LED & 1 UV light + 21mm Triplet Optical Glass LensMagnifiers China

GAIN EXPRESS HOLDINGS Seller

Price: $50.5

GAIN EXPRESS Digital Professional PH Meter Water Quality Tester Temperature +/-0.05PH Splashproof High Accuracy w/ Replaceable ElectrodePh Meters

Innovative Life Store

30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Optical Jewelry Coins Currency (Rechargeable/Replaceable Battery)

Price: $6.55

Old Price: $6.9

GAIN EXPRESS 30x Magnification Magnifying Glass Jewelers Loupe, 6 Lights Optical Jewelry Coins Currency (Rechargeable/Replaceable Battery)Magnifiers China

Ideal Concept Store

Price: $39.79

GAIN EXPRESS Soil pH & Moisture Tester Meter with 295mm Long Electrode Probe, Waterproof Soil Tester Kit Tools, for Indoor & OutdoorThermometers

RED Protools Store

2.5x Magnification Dental Loupes, Galilean Style Titanium Frame 100mm Field of View Flip-Up Function Optical Loupe Dentistry

Price: $130.19

Old Price: $138.51

GAIN EXPRESS 2.5x Magnification Dental Loupes, Galilean Style Titanium Frame 100mm Field of View Flip-Up Function Optical Loupe DentistryMagnifiers

GAIN EXPRESS HOLDINGS Seller

Price: $26.77

GAIN EXPRESS 3-in-1 pH / TDS / Temperature Meter Combo Water Quality Tester Digital Pen-Type with ATC 0.00~14.00pH 0~1999mg/L(ppm) Pool, SpaPh Meters China

RED Protools Store

Price: $17.38

GAIN EXPRESS Digital pH Monitor Meter ATC 0~14.00pH Replaceable Electrode Probe BNC Water Quality Monitoring Tester Kit Aquarium HydroponicsPh Meters

GAIN EXPRESS HOLDINGS Seller

Price: $148.9

GAIN EXPRESS Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 WB DP Monitor TesterThermometers

GAIN EXPRESS HOLDINGS Seller

12 pieces x Digital 3-in-1 Conductivity TDS Meter ppm ppt uS mS C/F Pool Spa Water Treatment Pen-type Tester

Price: $279

Old Price: $300

GAIN EXPRESS 12 pieces x Digital 3-in-1 Conductivity TDS Meter ppm ppt uS mS C/F Pool Spa Water Treatment Pen-type TesterPh Meters

Innovative Life Store

ORP (Oxidation Reduction Potential) Electrode for M0199720

Price: $29.45

Old Price: $31

GAIN EXPRESS ORP (Oxidation Reduction Potential) Electrode for M0199720Ph Meters China

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Lamp Camera Microscope 48 LED Bulb Ring Light 43mm-151mm Light range Illuminator Illumination

Price: $56.9

Old Price: $59.9

GAIN EXPRESS Lamp Camera Microscope 48 LED Bulb Ring Light 43mm-151mm Light range Illuminator IlluminationRunning Shoes

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40-250mm Working Distance 144 LED Microscope Camera Fluorescent Ring Light

Price: $80.27

Old Price: $84.5

GAIN EXPRESS 40-250mm Working Distance 144 LED Microscope Camera Fluorescent Ring LightRunning Shoes China

Ideal Concept Store

Industrial 2.4 inch TFT LCD Video Borescope Car Pipe Inspection 10mm Camera Endoscope 180 degree Rotation Snakescope 2 LED

Price: $56.87

Old Price: $60.5

GAIN EXPRESS Industrial 2.4 inch TFT LCD Video Borescope Car Pipe Inspection 10mm Camera Endoscope 180 degree Rotation Snakescope 2 LEDThickness Gauges

GAIN EXPRESS HOLDINGS Seller

Price: $54.74

GAIN EXPRESS Industrial 2.4 inch TFT LCD Video Borescope Car Pipe Inspection 10mm Camera Endoscope 180 degree Rotation Snakescope 2 LEDThickness Gauges

RED Protools Store

Price: $39.39

GAIN EXPRESS Angle Finder Level Digital Protractor Inclinometer Magnetic V-Groove 0~360 degree with Backlight Industrial Automotive UseProtractors

RED Protools Store

Price: $25.14

GAIN EXPRESS Paint Coating Thickness Tester Digital Gauge Meter Instrument 1.25mm Iron Aluminum Base Metal Car Automotive with PouchThickness Gauges

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