Chest Seal Hyfin® Vent Compact 4-3/4 X 4-3/4 Inch 2 per Pack Pouch NonSterileSmaller packaging, approximately 25% smaller than the standard HyFin vent chest seal 3 channel pressure relief vents Two chest seals designed for the treatment of entry exit or multiple penetrating wounds Advanced adhesive gel designed for superior adhesion, even to sweaty or hairy chests Large red tab for single step, peel and apply application designed to allow for burping the wound if necessary 2 per pack