TerraBloom ECMF-100, 4 Inch Inline Fan with Digital Speed Controller for HVAC, Duct Ariflow Boosting, Grow Tent Exhaust and Filtration

Key features

• Have you been disappointed by cheap plastic fans sold here by Vivosuns and iPowers? This fan is the answer to your problems. Unlike most of the China-based sellers on this platform, we do not lie about the technical specs of our products. Instead, we have paid to have our products tested by an independent laboratory in Texas. The HVI and the US EPA Energy Star program have both certified the accuracy of this fan's performance numbers.
• EFFICIENCY - TerraBloom air duct fan 4 inch features brushless EC Motor and dual jet type blades, this blower delivers 141 CFM airflow rate using just 21 Watts at max speed. It translates into less than $50 annual cost of 24/7 operation at max speed using $0.29 average cost per KWH. Our fans don’t purge or waste electricity at lower speeds.
• UNIQUE CONTROLLERS - Our 4 inch duct fan includes a variable speed controller which increases or decreases speeds without background noise or hum at low speeds. You can also upgrade to our wireless remote control (Model: ECMF-WR) and intelligent thermostat speed controller (Model: SC-ECMF) as well.
• BUILT & DESIGN - TerraBloom Grow Fan features aluminum housing that resists rust, protects the motor & blades from accidental damage. This fan has IPX4 ingress protection rating to ensure long lasting. Extremely compact and fits into spaces with minimal clearance.
• SIZE & FEATURES - Duct size: 4 inches | Dimensions: 6.3 x 7.3 x 5.9 inches | Bearings: Dual Ball | Noise 18 dBA | Air Flow: 141 CFM | HVI Certified | Energy Star Listed | 2 years Warranty.