ECMF-100

TerraBloom’s ECMF-100 is a compact 4-inch inline duct fan built around a brushless EC motor and mixed-flow impeller for efficient spot ventilation. The current model is rated at 141 CFM and 21 W, with performance independently verified to HVI and ENERGY STAR Most Efficient standards. The fan ships with two speed controllers (analog and an 8‑speed digital unit) and also accepts external PWM or 0–10 V control via a 3.5 mm TRRS lead. A cold‑rolled steel housing and dual ball bearings target long service life, and the unit is ETL listed to UL 507/CSA C22.2 No 113. Dimensions are approximately 6.37 × 6.77 × 5.8 inches. Suitable for small grow tents and similar spaces.