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Vacuum Jar Vacuuming Demonstration Hood Teaching Tools for Classroom Laboratory

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US$43.91 cheaper than the new price!!

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Used  US$29.28
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Product details

Management number 219326145 Release Date 2026/05/03 List Price US$29.28 Model Number 219326145
Category
  • Vacuum Sound Jar: Place the electric in the jar, and you can hear a clear bell, and then pull out the air, the will gradually weaken until no sound can be heard. Close the exhaust valve, so that students can observe. The still keeps ringing, but no sound can be heard.
  • More Experiments: A cup of boiling hot water has been discharged into the jar, and then pumped, you can see that the hot water in the cup is boiling again. In addition, this instrument can also be used for experiments such as vacuum fountain, evaporation icing, vacuum coating, and atmospheric pressure.
  • Simple The of the sound physics demonstration is very simple, so students can have better and happier learning in class.
  • Made Of Good PVC: Adopting premium PVC material, the transparent hood can clearly demonstrate the electric inside, very easy to check.
  • Convenient Carry: Comes with a light weight and a compact size as well, the whole vacuum jar set is very convenient to carry to outdoor.
Brand Name JTLB
Manufacturer JTLB
Model Number JTLBhvrm0npc6q
Item Type Name Measurement Kits
Item Dimensions 11.02 x 8.27 x 7.87 inches
Is Assembly Required No
Manufacturer Part Number JTLBhvrm0npc6q

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