Universal Window Duct Kit For 4 Inch And 6 Inch Inline Fans With Adjustable Rails Fits Windows For Exhaust And Intake Perfect For Homes Grow Tents Grow Rooms Air Conditioners And Dryers By AC Infinity

Universal Window Duct Kit for 4in/6in Inline Fans
✔️ Adjustable rails fit vertical or horizontal windows for 4in/6in ducts

Designed to vent air from inline fans to the outdoors, this window duct kit is ideal for grow tents, home workshops, laundry rooms, and portable AC setups. It installs in standard window frames or sliding doors and protects interior spaces from outdoor debris and weather while enabling both exhaust and intake airflow.

✅ Fits 4 in (101.6 mm) and 6 in (152.4 mm) ducting with base coupler and adapters
✅ Adjustable rails extend to fit most window widths and sliding doors
✅ Durable heavy-duty frame blocks debris and withstands weather
✅ Supports exhaust and intake with inline fans, portable ACs, and dryers
✅ Includes adapters to connect 4/6 in ducting to 5.1 in (129.6 mm) or 5.9 in (149.9 mm) hoses

💡 What is a window duct kit used for in home ventilation and grow setups? This handy tool helps balance exhaust and intake in indoor spaces.
- It works with inline fans, HVAC hoses, and portable AC units
- It installs in window frames or sliding doors to vent air outside
- The adjustable rails fit various window sizes for quick setup