J-2 Microbial Bacterial Colony Counter Microbiology Tester ×9 Mag 110V or 220V

J-2 Microbial Bacterial Colony Counter. 1,Clearly visible, easy to observe, high colony contrast. 110V or 220V 50Hz/60Hz. 1x J-2 Microbial Bacterial Colony Counter. Toy & Hobbies. Counter Capacity. Light Source Power.

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