About This

Please check left picture for detailed size. It can be used as vent fan for 3D printer enclosure and soldering setup, also can be great for soldering woodburning to pull the smoke away, as a small exhaust fan for laser engraver, grow tent and DIY cooling or improving air quality in quiet bathroom and kitchen odor removal in the home.
【Powerful Exhaust Fan】This 4inch inline duct fan delivers exceptional airflow up to 145CFM at 4600RPM, ideal for effective smoke extraction from soldering, 3D printing, and paint booth ventilation. The 38mm thicker design ensures stronger performance compared to standard 25mm fans.
【IP44 Moisture-Resistant】Built with an IP44 moisture-proof rating and dual ball bearing motor, this small vent fan withstands humid environments up to 80% humidity, suitable for bathroom, greenhouse, and basement ventilation.
【Stepless Adjustable Speed Control】With a variable speed controller ranging from 2200RPM to 4600RPM, you can fine-tune airflow from gentle breeze to full power, perfect for customized ventilation in grow tents, workshops, or small rooms.
【Versatile Intake/Exhaust Use】Use as a exhaust fan with included duct adapter, or as a standalone extractor fan for bedroom, RV, closet, or server rack cooling. Includes metal mesh guard for safety.