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Lung Volume Bag Set

$57.95
(backordered: in stock 7/7/22)

Description

For determining maximum lung volume (vital capacity). Student exhales fully into a bag, then squeezes the expired gas into the bottom of the bag. Vital capacity is read directly from wall of the bag (marked in 100-mL increments up to 6 L). Set includes 4 heavy-gauge plastic reusable bags with mouthpiece holders and 30 disposable mouthpieces. Order item# 692647 Mouthpiece Replacements.

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