Key features

• •4'' inline fan: Noise: 28 dB; airflow: 212 CFM; speed: 2900 RPM; voltage: 110~240V(Alternating Current); power: 35W. "Powerful Life" App remote control; Intelligent programming controller, ON/OFF/TIMER/ATUO modes can switch according to needs
• •4'' air carbon filter: Reversible flange ducting: 12-inch length; air flow: 200CFM; 1050+ IAV Australian RC412 activated carbon; 50mm carbon layer of thickness for higher absorption and performance. Pre-filter included
• •4'' ducting: 8 feet (length), when fully extended. Flexible length for exhaust fan blower / inline fan. 1 pairs of 4 inch metal clamps made from stainless steel. Temperature endurance range from 0~185°F (-18℃~85℃)
• •Hand-free voice control with Alexa: Use your voice to control iPower device via Alexa sound and the device listing will automatically sync to Alexa. Easy to manage smart fan. Just say ''Alexa, what is the temperature'' or ''Alexa, increase the fan speed''
• •Package includes: 1 x 4-inch inline fan kit (includes fan, intelligent controller, corded sensor probe, AC power plug and required mounting hardware); 1 x 4-inch air carbon filter with free pre-filter; 1 x 4 inch 8 feet ducting with 2 clamps