The patented Reacticâ„¢ film is 3 to 8 times more permeable to water vapor than standard film dressings. Under most situations, the unique film allows the I.V. site to remain dry. The risk of catheter-related infections may be reduced, unscheduled dressing changes are minimized, and patient comfort is enhanced.- Central Film Dressing, 4" x 5 " Tape Handles, 10/bx, 10 bx/cs (108 cs/plt) (US Only) Stock Item