HighlightsOptimal Airflow - Our register booster fan is designed to improve airflow through walls and floor registers by moving more air from the ductwork of the HVAC system to the desired space. It has a capacity of 100 CFM and offers 10 adjustable speeds, allowing you to customize the airflow according to your needs.Energy-efficient PWM Motor - Our vent fan features a 6W PWM DC-Motor, which not only ensures optimal airflow but also consumes minimal energy. This results in reduced electricity bills and a reduced environmental impact. Additionally, our booster fans operate silently, emitting noise levels of ≥18 dB, so you can enjoy a peaceful night's sleep without being disturbed.Programmable LCD Controller - The LCD smart controller has a temperature sensor that triggers the fan to automatically adjust the airflow intensity based on the temperature you set for the room, saving power and eliminating any worries about bright lights.Remote Control - With the remote control in hand, you can control the air vent fan speed, switch modes from anywhere in the room. With an effective range of up to 26 ft, you can control the wall and floor vent fan effortlessly while lying in bed or on the couch.Fits ONLY 4'' x 10'' Register - Our vent booster is specifically designed to fit into a standard 4'' x 10'' register. We also provide the necessary screws for installation, and you can easily plug it in to start using it. The fan features an aluminum frame with a fancy finish that complements any room's decor.SpecificationBrand - Details Revitalize Your HVAC System with Booster Fan Are you tired of hard-to-breath-in conditions? Upgrade any space with our aluminum booster fans for fresh air in enclosed spaces. Equipped with powerful PWM motors and fans, they maximize airflow and reduce HVAC workload, saving costs and improving energy efficiency. Enjoy fresher air now!