VIVOSUN Window Duct Kit, Portable AC Window Seal Kit, Fit with 4”/6” Ducting & 5.9” Hose for Sliding Window, Adjustable AC Vent Kit for Duct Fans, Air Conditioner, Dryer - VSV-WVK1

• Durable Material: This window vent kit is made of durable PVC material that is able to withstand extrusion, aging, and wear. It won't crack or peel off, even after prolonged exposure to the sun or extreme summer heat, ensuring years of dependable use Flexible Length Adjustment: Customize the length of this kit by freely combining the plates, ranging from 16.9" to 61". This flexibility ensures compatibility with slide windows and hung windows of various sizes (NOT suitable for casement window) Great Sealing: Distinctive sliding track design enables this seal kit to fit seamlessly in the window track. Comes with a roll of seal tape for improved sealing and insulation. When used in conjunction with AC units, it efficiently saves energy by blocking hot air from entering and preventing cold air from escaping Easy to Install & Disassemble: This kit includes Main Plate × 1, Track Plates × 2, Extension Plate × 1, φ5.9" Hose Adapter × 1, φ6" Duct Adapter × 1, φ4" Duct Adapter × 1, Bolts and Wing Nuts × 4, and a roll of 10ft Seal Tape. Just insert and secure the plates on your vertical or horizontal sliding windows, then connect it to the hose High Compatibility: This kit connects securely with 4" and 6" ducting, as well as 5.9" AC hoses. It supports the removal of stale air and facilitates the influx of fresh air, and works effectively with inline fans, HVAC units, and dryers in grow tents, homes, greenhouses, offices