4-Piece Bronchus Model CA-WA Simply spray this product around

Simply spray this product around mattress and box springs

Laser-engraved dial face for accuracy

Each pocket lists the contents on one side while the other side is clear to view pocket contents

(Each) Red

4-Piece Bronchus Model CA-WA Simply spray this product around(3 7 8" x 1 1 2" x 1 3 4") Four stage cross section of bronchus demonstrating the tissue changes occurring in asthma and chronic bronchitis. Four stages include normal bronchus, hypersecretion of the mucous gland, swelling with lymphoid aggregations and smooth muscle spasm. The model includes cartilage, mucous glands and plug, spiraling smooth muscles, and the fibroelastic connective tissue and epithelial layers of the bronchus. All stages rotate on