High-quality nylon net design with ring strips for easy installation on exhaust rain covers.Specifically designed to fit 4" diameter dryer exhaust pipes, elbows, and covers.Packaging includes 3 ventilation bag rings and 3 hook tape adhesives.No need for additional items like ropes or clips - the hook and buckle are sufficient.Effectively eliminates bird nests and dryer lint dust while allowing for proper ventilation. Description: Introducing our vent filter bags, the perfect solution to eliminate problems with bird nests or dryer lint dust. Made of high-quality nylon net, these bags are designed to fit 4" diameter dryer exhaust pipes, elbows, and covers with rain covers. With an updated design featuring ring strips sewn on the bag openings, you can easily place these bags on or close the exhaust rain cover in no time. No need for additional items like ropes, clips, magnets, wires, or screws - the hook and buckle are all you need. Each pack includes 3 ventilation bag rings and 3 pieces of hook tape adhesive. Not only do these flannel bags trap lint effectively, but they also allow for proper ventilation. Say goodbye to clogged vents and hello to a cleaner and more efficient drying experience. Get your vent filter bags today and enjoy hassle-free laundry days! Item Name: Vent Filter Bags Material: Polyester Features: Large Capacity, Reusable, Great Durability Size Details: L: 39cm/15.35", W: 25cm/9.84" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 3 x Vent Filter Bags