4 Inch Inline Duct Fan 100 CFM Quiet Exhaust For HVAC Systems, Low Noise Ventilation For Basements, Bathrooms, Kitchens And Attics, Compact Duct Fan With Durable Motor And Permanently Lubricated Bearings

4-Inch Inline Duct Fan, 100 CFM, single unit
✔️ 4 inch diameter (102 mm), 100 CFM, 2930 RPM, 14W, 110/120V, <30 dB

Compact, high-efficiency exhaust fan designed for HVAC systems. This unit is ideal for bathrooms, kitchens, basements, attics, and small workshops where space is tight but airflow matters.

✅ 4 inch diameter (102 mm), 100 CFM airflow, 2930 RPM, low noise
✅ 110-120V operation, 14W power, durable motor with permanently lubricated bearings
✅ Compact, lightweight design for tight spaces; suitable as intake or exhaust in HVAC
✅ Max ambient temp 60℃ / 140℉; max motor temp 130℃ / 266℉; blade jam warning

💡 What is a compact 4-inch inline duct fan best used for in home HVAC applications?

Handy for boosting airflow in small, hard-to-reach spaces and improving humidity control.

• Bathroom exhaust, kitchen venting, and small workshop vents
• Basements and attics to move stale air and moisture
• Designed for 110-120V circuits and about 14W power
• Maintenance tips: clean after initial use and check bearings regularly