VIVOSUN Window Vent Kit for Portable AC, Fits 4"/6" Duct & 5.9" Hose, White

This VIVOSUN window vent kit is crafted from durable PVC, resisting extrusion, aging, and wear for years of dependable use. Its flexible design allows customization from 16.9" to 61" by combining plates, ensuring compatibility with most slide and hung windows (not casement). The unique sliding track design and included seal tape provide a great seal, saving energy by blocking hot air and preventing cold air escape. Installation is simple, and the kit includes adapters for 4" and 6" ducting, as well as 5.9" AC hoses, supporting both air exhaust and fresh air intake.