TT 125 EC is Vents‑US’s 5-inch mixed‑flow inline duct fan from the Turbo Tube EC series, built around an electronically commutated motor for efficient, fully adjustable speed control. The 125 mm unit moves up to 245 CFM at 0 in. static pressure (about 416 m3/h) and uses around 35.4 W, with a 1.8‑sone sound rating. It runs on 120 V/60 Hz, carries ETL certification, and features long‑life ball bearings rated for up to 40,000 hours. The housing includes an integrated mounting plate for easy removal and cleaning, and the fan ships with a power cord. With a 5-inch duct connection (12.7 cm), TT 125 EC fits compact residential or light commercial exhaust and supply runs that benefit from quiet, efficient airflow.