Transparent Dressing, Waterproof Film 100 ct 2.375" x2.75" Clear Wound Covers Adhesive Patches for IVs, GI Tubes, Occlusive Dressing HSA FSA Eligible Walmart.com A sucking (and blowing) chest wound is the sound of not dying Crisis Medicine North Coast Medical Elasto Gel Occlusive Dressing Pack of 5 Flutter Valve (Occlusive Dressing) Cardinal Health 8884433605 Xeroform Occlusive Dressing, Strip, Peelable Foil Pack, Petrolatum Gauze Dressing, 5" x 9", 50 bx, 4 bx cs CIA Medical