Inline Filter Box 6 Inch For Whole House HVAC Filtration And Fresh Air Intake With High Efficacy Filter Fits 6 Inch Inline Duct Fans For Dust Odor Blocking And No Fuss Easy Setup Smoother Airflow Built From Cold Rolled Steel

6-Inch Inline Filter Box for Whole-House Filtration
✔️ Pack: 1 unit, 6-inch inline fan compatible, 800 CFM max

The Inline Filter Box is a rugged, weather-ready enclosure that houses a high-efficacy filter to clean incoming air for your whole-house HVAC system. It’s built to withstand harsh conditions and provide a reliable fresh-air intake.

✅ 1 mm thick cold-rolled steel body with aluminum duct flanges
✅ Dimensions 23.46 x 8.42 x 11.73 inches for 6” inline fans
✅ Maximum airflow up to 800 CFM for steady performance
✅ Includes standard high-efficacy filter (12 x 20 x 1 inches)
✅ Slide lock door with neoprene seal for a dust-free interior
✅ Slide-in design for easy inner chamber access and setup

💡 What is an inline filter box for HVAC systems and why use one? This handy accessory cleans outside air before it enters your ductwork, reducing dust and odors. - Handy for blocking dust, odors, and debris in fresh-air intakes - Protects HVAC components by reducing dirt buildup - Works with standard 6-inch ducting and 12 x 20 x 1 inch filters - Improves indoor air quality by cleaner airflow