Cardboard mouthpiece with filter for SMARTsense Spirometer, 10/pkg

Sustainable and cost-effective measurement!   Function and Applications The cardboard mouthpieces are suitable for the Cobra SMARTsense spirometer (12936-00 / 12936-01). They are placed on the mouthpieces with built-in filter (12936-20), optionally using the filter membranes included in the set, thus allowing multiple use of the filter mouthpieces.     10 cardboard mouthpieces 10 filter papers