Powrocket Window Vent Kit with Louvered Vent Cover, Fit for 3" and 4" Vent Hose, Adjustable Window Vent Seal Panels for 3"/4" Exhaust Ventilation of 3D Printer Enclosure, Dryer, Laser Engraver

["Fit for Both 3\" & 4\" Vent Hose: Window vent kit is compatible with 3 inch and 4 inch diameter vent hoses.It is specially designed for ventilation of 3D printer enclosures, laser engravers, dryers and grow tents, delivering efficient exhaust ventilation performance.","Outdoor Vent Cover: Window vent seal kit comes with a self-closing vent cover, it will automatically close when not in use.The outdoor vent cover effectively block rain, wind and snow from entering the vent hose, and keep leaves and debris out.No worries of vent hose clogging.","Adjustable Length: Adjustable window vent kit consists of three plates. It is suitable for windows ranging from 16.5 inches to 47 inches, allowing you to freely adjust the length according to your window.Please measure your window before purchasing.","Durable Material: The dryer window vent kit is made of thickened PVC, durable and not easy to aging. Suitable for sliding window and hung window.Not suitable for casement window.","Better Sealing: Comes with self-adhesive foam sealing strip, aluminium foil tape and clamps. This complete window vent kit delivers perfect sealing performance."]