Introducing the GE Flexible Duct Plenum, a robust replacement for the Original GE part #448W7489P002. Engineered for durability and efficiency, this LUSB1000 model boasts 2 layers of 1000d Nylon, ensuring year-round reliability in various conditions. Designed with installer feedback in mind, it slashes installation time by half or more with its innovative built-in rubberized webbing operated by tie-down ratchets. Gone are the days of tedious rings or even screw for installation . The Velcro seam allows easy fitting onto flanges, further streamlining the process. Each plenum comes with two additional ratchets for added convenience. Crafted with quality materials including 3” Hook and Loop, 1.5 Poly Gripper Webbing, and 1” Black Plated Metal Ratchet Buckle, this solution is engineered to last. Upgrade to the LUSB1000 for efficient, hassle-free installations and unmatched durability.