EMI's Chest Seal has a powerful vent chamber with 4 vent channels to prevent airflow into the chest cavity. The advanced adhesive allows substantial holding power and inspiration while allowing air to escape through the vents during exhalation. It has a fast and easy peel-and-apply application that can withstand blood, sweat, and all body hair conditions.
 
Size: 6" L x 6" W x 1/16" H
Weight: 1.5 oz