Duct Size 4 in.

50 CFM, 15.9 Watts, 3.8 CFM/Watt, 0.4 sone, Housing Depth 3-3/8", Good for Room Size Under 50 sqf (Square Foot)

EcoVent is a 70 CFM fan that delivers strong performance and peace of mind during verification testing with adjustable, dual speed (70/90) spot ventilation. Ideal for new residential construction, EcoVent ventilation fan can be used to comply with the latest codes and standards. Available in contractor packs only

EcoVent is a 70 CFM fan that delivers strong performance and peace of mind during verification testing with adjustable, dual speed (70/90) spot ventilation. Ideal for new residential construction, EcoVent ventilation fan can be used to comply with the latest codes and standards. Available in contractor packs only

Styrofoam Elbow designed exclusively for use with WhisperComfort ERV and easily connects to the Y shaped adapter of the Exterior Wall Cap (FV-WC04VE1, sold separately)

This fan moves 90 cubic feet air per minute (90 CFM) at a low noise level 1.5 Sones. Recommend room size 85 sqf / 7.9 m². Vista ultraAIR ventilation fans are designed to provide fresher and clear air for your room at very low energy consumption too.