Description:Core Identity: A premium single-use spirometer mouthpiece designed specifically for physical fitness examinations and lung-capacity assessments.Ergonomic Design: Features a funnel-shaped testing mouthpiece with a wide, curved top opening that measures 8 cm across to ensure a comfortable and secure seal during use.Secure Connection: Engineered as a mouthpiece with threaded interface, featuring a narrow 1 cm bottom diameter that screws securely onto compatible testing equipment.Premium Material: Crafted from lightweight, food-grade translucent white PP plastic, weighing only 3.7 g per piece for a hygienic and safe testing experience.Space-Saving Storage: The tapered body allows each mouthpiece to stack neatly together, making it incredibly easy to store and organize in busy testing environments.
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