• Powerful & Effective Airflow: 4 inch inline duct fan powerful blower with a fan speed of 2500 RPM, inline duct fan can create an air flow of 195 CFM. It can not only circulate fresh air, but also control proper humidity, temperature and air quality.
• Dryer Vent Hose Ducting: 4 inches (diameter) x 8 feet (length) when fully extended. Temperature endurance ranges from 0~185°F. (-18℃~85℃). 1 pair of 4-inch metal clamps made from stainless steel. Suitable for exhaust fan blower / inline fan.
• Quiet & Comfortable Operation: 4 inch duct fan blades made with high quality components for smooth operation. Fitted with a flow deflector that concentrates the fan stream to reduce sound output to just 30 dB, which ensures won't disturb your life.
• Variable Speed Controller: One control switch for 3 settings: HIGH, MID, and LOW. Durable 3-pole grounded plug construction. Built-in grounded control outlet. Package Included: 1 x 4-inch inline fan, 1 x aluminum ducting.
• Wide Applications: Inline booster duct fan can clean and freshen the air, improve airflow to reduce humidity, block odors, and lower temperatures in grow tents, grow rooms, greenhouses, hydroponics, basements, kitchens, bathrooms, basement workshops, etc.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty