Lung Volume Bag Kit
Product Number: SB06915
In Stock (Ships within 1-2 business days)
Grades 3-9. Measure lung capacity with this durable, silk-screened plastic bag, calibrated to six liters, with accompanying mouthpiece and holder. Shows the relationship of body size to lung volume. Contains four lung bags, four mouth pieces, four mouth piece holders, and four rubber bands. Instructions included.