VIVOSUN Window Vent Kit — Adjustable 4/6 Inch Ducting for Sliding Windows

Meet the VIVOSUN Window Vent Kit, a portable sealing solution designed for sliding windows and compact AC setups. Built from durable PVC, it resists sun exposure and summer heat while delivering steady performance over time. This kit aims to offer a practical, non invasive way to manage airflow in a variety of spaces.

Flexible, easy to fit design

The length can be tuned from 16.9 to 61 inches by combining plates, enabling compatibility with a range of horizontal and vertical sliding windows. Note that casement windows are not supported.

• Sturdy PVC that resists cracking, aging, and wear for long lasting reliability
• Adjustable length from 16.9 to 61 inches using interlocking plates
• Sliding track with a roll in seal tape creates a tighter seal to reduce drafts
• Simple install and quick disassembly with included main plate, track plates, extension plate and adapters
• Works with 4 and 6 inch ducting and a 5.9 inch hose, plus adapters for inline fans and dryers

Real‑world uses and versatility

Whether in an apartment, home office, or workshop, this vent kit helps vent portable air conditioners, inline fans, or dryers without permanent changes. The design supports efficient airflow while keeping interior comfort in mind as seasons shift.

How to use and optimize your setup

• Close the window track and secure the plates for a snug fit
• Attach the 4 or 6 inch duct to the hose adapters and connect to your device
• Seal with the included tape and test for leaks before operation