production thickened vital capacity bolwtorch student spirometer disposable nozzle bolwtorch electronic spirometer

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.