About this item All-Around Home Protection: The dryer duct cleaning kit removes the built-up lint from the dryer vent and dryer lint trap. Such deep cleaning eliminates fire hazards and odors, limits bacteria growth by 90%, and improves dryer efficiency by 20%-50%. Reusable & Extendable: The rods can extend up to 30 feet and work flexibly as a snake. The adopted upgraded PP materials are sturdier and more pliable than cheap PE materials. Our rods can easily pass through various complex dryer ducts in roofs, basements, and attics. Durable and Soft Bristle Brush: Being made of automobile-grade PBT materials, the dryer vent cleaning brush is highly wear-resistant and won't deform. With 4.5 mm deep flocking, the bristles won't fall. It's perfect for flexible aluminum tubes, plastic ducts, and regular pipes. Save Money & Live Safe: With the dryer duct cleaning kit, you don't need to spend $150 hiring a pro for each cleaning. And the dryer vent kit makes your home safe by removing all the fire hazards in the dryers from condos, apartments, villas, and all types of houses. Excellent Customer Service: You can enjoy a 1-year warranty, during which you can claim free replacement or refund if any quality issues. Our video guide and online service team make the dryer vent cleaner kit extremely easy to assemble and use.