EcoVent is a powerful ventilation fan that delivers high performance ventilation you can count on for all your projects. It is an ideal solution for home builders looking for a cost effective, ENERGY STAR® rated fan. With a built-in two-speed selector (70/90 CFM), EcoVent delivers customizable airflow to give you peace of mind during verification testing. Available in both single and contractor packs. KEY FEATURES Ideal for new residential construction (High Performance / ENERGY STAR® Single Family Production Builders and Manufactured Housing). Two-speed selector (70/90 CFM) spot ventilation solution Provides Ventilation Verification Assurance: > 50 CFM Installed Performance; Delivers a true flow rating of 56 CFM at 0.375" static pressure (when set at the 90 CFM setting) Flexible dual packages: single pack with fully assembled unit; contractor pack with housing and motor/grille packaged, reduces risk of parts being lost or damaged onsite Certified for latest Energy Star 4.1 compliance and can be installed in all states with Appliance Efficiency Requirements