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Product Details
Disposable cardboard replacement mouthpieces for use with item #692670 Portable Dry Spirometer. Each mouthpiece has a length of 32 mm with an outer diameter of 14 mm and an inner diameter of 9 mm. Pack of 100.
Product Features
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.