GDSTIME 4 Inch Small Duct Axial Exhaust Fan with Speed Controller, 2 Flanges, 10 FT Vent Hose, 110V 120V AC Powered for Soldering, 3D Printer Enclosure, Paint Booth Ventilation

Multi-Purpose Airflow Solution‌ This compact 4-inch duct fan delivers exceptional ventilation for: Grow tents & greenhouses (removes heat/moisture for healthier plants) Workshops (soldering/3D printing fumes, laser engraver exhaust) Home use (bathrooms, kitchens, laundry rooms - eliminates odors/humidity) DIY projects (chicken coops, litter box ventilation, etc.)

• Versatile 4 Inch Exhaust Fan: Designed to boost airflow in HVAC systems, ventilate grow tents; transfer heating/cooling to basement, attic, workspace, circulate air in chicken coop, exhaust fumes odors for 3D printers,laser engravers/cutting, soldering, airbrush booth; and cool sealed enclosure
• Adjustable Speed: Small duct fan adopts a stepless variable speed controller 4v to 12v; The speed control allows you fine-tune the airflow for whatever your setup needs, from a gentle breeze to a focused fume extractor
• Multipurpose Powerful Compact Extraction Venting Fan: With detachable flanges (fit for 4-inch PVC pipes) to overcome traditional square fan limitations; Ideal for everything from fume extraction to workspace cooling; and DIY cooling systems
• Flexibility and Bendability‌ Ventilation Hose: Built-in stainless steel wire spiral, easy-to-install in hard to reach tight places, allows the duct to be bent freely in different directions or angles
• Heavy Duty Muti-layer Protection: 4 Inch duct vent hose is 10 feet long when fully extended; four layered aluminium foil construction helps prevent leaks tears and cuts