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Refractometer, Alcohol Concentration Detector 0-80% v/v

High Borosilicate Glass Transparent Condenser Lens - 10mm to 38mm Diameter, 95%...

High Transmittance Quartz Glass Sheet for Ultraviolet Fluorescence Detection - 100x50x1mm Optical Glass(30x21x1mm 10pcs)

Round Quartz Glass Sheet - Transparent, Temperature Resistant, 8mm Diameter, 3.5mm Thickness(8x3.5mm 10pcs)

Round Quartz Glass Sheet - Transparent, Temperature Resistant, 8mm Diameter, 3.5mm Thickness(12.65x1mm 10pcs)

outdoor binoculars， 10x- HD Lens Bird Watching, Hunting, Travel, Sports, Opera, Concert

Weatherproof Outdoor Surveillance Camera Pole, High Security Mounting Pole (C,3 m (9.8 ft))

High Transmittance Quartz Glass Sheet for Ultraviolet Fluorescence Detection - 100x50x1mm Optical Glass(20x20x1.5mm 10pcs)

High Temperature Resistant Transparent Quartz Glass Optical Lens - 50mm Diameter, 1mm Thickness(100x1mm 2pcs)

High Transmittance Quartz Glass Sheet for Ultraviolet Fluorescence Detection - 100x50x1mm Optical Glass(13x9x0.5mm 10pcs)

Refractometer, Digital Refractometer Brix, Tester, Sugar Content Measuring Instrument for Beverages and Fruit Juices

High Temperature Resistant Transparent Quartz Glass Optical Lens - 50mm Diameter, 1mm Thickness(25.4x5mm 10pcs)

Refractometer, Refractometer Alcohol Meter 0~80% V/V ATC Vodka Whiskey Percentage Tools Hydrometer Concentration Spirits(Blu)

High Temperature Resistant Transparent Quartz Glass Optical Lens - 50mm Diameter, 1mm Thickness(44x1.8 2pcs)

High Transmittance Quartz Glass Sheet for Ultraviolet Fluorescence Detection - 100x50x1mm Optical Glass(87x56x2mm 5pcs)

High-Temperature Ultraviolet Transparent Quartz Glass Discs for Infrared Ray Experiments - 24mm...

High Transmittance Quartz Glass Sheet for Ultraviolet Fluorescence Detection - 100x50x1mm Optical Glass(40x40x0.5mm 2pcs)

High-Temperature Ultraviolet Transparent Quartz Glass Discs for Infrared Ray Experiments - 24mm...

1PC Acrylic Flat Convex Condenser Lens for Zoom Flashlight & Bike Head...

outdoor binoculars， Binoculars Stargazing Planets,with Low Light NightEasy Focus,Using BAK-4 Prism FMC...

High-Temperature Ultraviolet Transparent Quartz Glass Discs for Infrared Ray Experiments - 24mm...

High-Temperature Ultraviolet Transparent Quartz Glass Discs for Infrared Ray Experiments - 24mm...

Camera Mount for Solar Panels with Ground Spike, White, Sectional Door Security...

High Temperature Resistant Transparent Quartz Glass Optical Lens - 50mm Diameter, 1mm Thickness(25x1mm 10pcs)