DuPont™ FlexWrap™ EZ is a unique, flexible adhesive tape that creates an air-and water-tight seal when installed around penetrations of all different shapes and sizes. It is a simple, easily installed, solution to reduce the small air leaks and improve the energy efficiency and durability in residential and commercial buildings. Ideal applications include plumbing pipes, electrical boxes & outlets, HVAC components, dryer vents, hose bibs, exhaust fans, lights, gas lines and more.