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Long-term stock of lung capacity blowing nozzles, reliable quality, please rest assured to purchase! I wish you a happy shopping experience!
Product Introduction:
1 Features: Universal (suitable for various common lung capacity meters in China), transparent, material, sealing of the interface, deluxe edition of 20 pieces per bag.
Interface inner diameter: 9.26 mm
Interface outer diameter: 11.79mm - 13.33mm (The advantage of the smaller to larger interface diameter: good compatibility, wide application range, better sealing during docking, and more accurate testing. Lung capacity meters with a diameter of about 1 centimeter can be used).
Packing Specification: 20 pieces per bag, 250 bags per box, with a total of 5000 pieces per box.
Quantity discounts are available, welcome to negotiate!










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