Pearwow Dual Hose Window Vent Kit for 3" and 4" Vent Hose, Adjustable Window Vent Panels with Vent Cover, 3"/4" Intake & Exhaust Ventilation of Dryer, Laser Engraver, 3D Printer Enclosure, Grow Tent

["Main Design -The window vent kit comes with a switchable hood fitting for both 3 inch and 4 inch vent hoses,designed for exhaust ventilation of 3D printer enclosure,grow tent,lazer cutting machine,dryer vent hose","Vent Covers -This window vent kit includes inlet air vent and exhaust air vent. Inlet air vent is louvered design to avoid rain getting in while allowing air to go through. Exhaust air vent is self-closed design, it will automatically open or close by blowing.","Adjustable Length - The window seal plate kit is composed of 3 plates, each plate is 16.5 inches long, 3 plates cover maximum 47 inches. Meet the needs of different window heights.Fits for all types of sliding windows both vertically and horizontally.","Durable & Lightweight - Window vent kit made of pvc material, lightweight and durable to ensure long-term service. Convenient storage and saving space. suitable for use at home or office.","Easy Installation - Adjust the sealing plate to fit your window size, or cut sealing plate to fit special size requirement, lock the screws to complete the installation. Use the foam seal strip to fill the gap for better sealing and insulation if necessary."]