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Specification
Product Name: Lung Capacity Tester Mouthpiece
Unit: Only
Weight :3 grams
Material: Environmentally friendly plastic that is non-toxic and odorless and can be reused after disinfection.
Specification: The diameter of the nozzle connection is 12-13MM
Lung capacity testers suitable for multiple brands and models
Packaging list:
Lung capacity blowing mouth * 100PCS





Verification Code
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