GCGOODS Window Vent Kit for 3" and 4" Diameter Hose, Adjustable Seal Panels with Outdoor Cover for Laser Engraver, 3D Printer, Dryer, Grow Tent

["3\" & 4\" WINDOW VENT KIT -Designed to be compatible with exhaust hoses of both 3-inch and 4-inch diameters, our window vent kit is perfect for 3D printers, laser engravers, and dryers. Ensuring effective exhaust ventilation and helping to maintain air quality.","AUTOMATICALLY OPEN & CLOSE - Come with an outdoor vent cover with moving flaps that open automatically when pressure is applied and close automatically when not in use. This window vent kit prevents wind, rain, snow, dust and leaves from entering while still allowing air to circulate freely.","EXCELLENT SEALING PERFORMANCE - Includes aluminum tape and self-adhesive foam sealing tape to insulate the possible gap between the exhaust duct and vent cover or window. The clamp prevents the hose from falling.","ADJUSTABLE WINDOW VENT KIT - The humanized rail design allows the three plates to slide freely. The 3in window seal kit can adapt to windows measuring between 16.5 and 47 inches. Please measure your window before purchasing this vent kit.","HIGH QUALITY MATERIAL - Made of lightweight, durable PVC, the window vent kit is sturdy, weatherproof and suitable for long-term use. Comes with a 4- to 3-inch adapter; universal fit for 3D printer tents, laser engraving machine enclosures, dryer ventilation, exhaust fan blowers, and other equipment."]