ndd EasyOne Spirometer Spirette Mouthpiece For Spirometer.

NDD Spirette disposable mouthpieces have been engineered to fit perfectly into NDD devices to guarantee reliable and high-quality measurement results. The Spirettes are disposable and single-use only. What's in the box? 50 Spirette mouthpieces- NO dispenser box included. Material: Spirette mouthpiece Linear: low-density polyethylene (LLDPE) Bag: Polyethylene (PE)