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wholesale bolwtorch spirometer bolwtorch brand new material disposable nozzle bolwtorch student physical fitness test supplies 中文版

EXW Price: Min. order:

¥0.11
≥1/piece

¥0.1
≥1000/piece

¥0.08
≥5000/piece

1 piece

Weight 0.005 kg/piece
Stock num 3266457 piece

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Fengfeng Sports Equipment Factory 1yr.

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Description

Interface outside diameter: 10mm - 13.10mm (The advantages of increasing the diameter from small to large: good compatibility, wide application scope, better sealing during docking, and more accurate testing. Lung capacity meters with a diameter of about 1cm can be used)

Update time：20251127173050

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