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and data logging
oral cavity
sieve tube
Water resistance
even in wet conditions
1pc Heavy Duty Opthalmic Eye Occluder for Testing Purposes Electricity Essentials and data loggingIncludes: 1 x Heavy Duty Opthalmic Eye Occluder. Color: Black. 14 Pinholes design can clearly display the target objects, exercise the eye muscles. Premium Quality: Occluder is made of high quality, heavy duty and durable materials. Designed for use in professional fields but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged
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