conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs
Solar System Model, constructed three dimensional model is a great way to explain the solar system to students, mounted on a sturdy base. Includes a key, dimensions: 24x 14x 11 inch, Weight: 3 lbs
Loop, inoculating loop features an 8 inch long non-insulated aluminum handle. The non-calibrated 26 gauge nickel-chromium wire loop is approximately 4mm in diameter
Glove, Disposable, Powdered, Color: Clear, Material: Vinyl, Ambidextrous, Nonsterile, Latex-Free, strong, thin, form fitting gloves are designed for a skin-tight fit on either hand, Size: Large
Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement. The air stone also increases surface agitation, accelerates oxygen replenishment and helps release
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