Memrita Window Vent Kit with Outdoor Vent Cover for 3" and 4" Vent Hose, Adjustable Window Vent Seal Kit, Universal Fit for Exhaust Ventilation of 3D Printer Enclosure, Laser Engraver, Dryer

["【Window Vent Kit for 3\" & 4\" Hose】The window vent kit is designed for 3 inch and 4 inch diameter vent hoses.Perfect for 3D printer enclosures, laser engravers, dryers and grow tents, providing excellent exhaust ventilation.","【Self-Closing Vent Cover】The design of the self-closing louver cover will automatically open when any pressure is applied, and it will automatically close when not in use.It effectively prevents wind, rain, and snow from entering dryer vent, and can also keep out leaves and debris.","【Adjustable Window Vent Kit】The adjustable window vent kit consists of three panels that can slide and adjust freely, suitable for horizontal/vertical sliding windows ranging from 16.5 inches to 47 inches.Please measure the size of your window before purchasing.","【Premium Material】Dryer window vent kit is made of high-quality PVC material, featuring durability, light weight and weatherproof performance, ideal for long-term use.","【Excellent Sealing Performance】3d printer vent kit comes with aluminium foil tape, foam sealing strip and clamps to effectively seal the gap, providing excellent sealing and insulation."]