Panasonic - PEP FV-04VE1 ERV 40/20, 20/10 CFM,

WhisperComfort Energy Recovery Ventilator (ERV) is a stand-alone system that provides balanced ventilation. Ideal for single family homes and multifamily units, it is affordable, easy to install and energy efficient. WhisperComfort ERV is UL listed for ceiling or wall mount applications. Can be used to comply with the latest codes and standards. Features: WhisperComfort - (ERV) 40/20, 20/10 CFM, 0.8 sone, 7-7/8\" housing depth.; QUIET, BALANCED VENTILATION: WhisperComfort cleans air and exchanges heat between incoming and outgoing exhaust air, all while operating so quietly that you might not know it's on.; LONG LIFE, GUARANTEED: Panasonic ventilation fans use less energy to move larger volumes of air. Less energy leads to less overheating and motor failure, saving you on repair costs. Included 3-year limited warranty.; CLEAN AIR AND SAVE ENERGY: Capillary Core cleans air as it exchanges heat between incoming and outgoing exhaust air. Filters are easy-to-remove and clean.; EASY-TO-INSTALL: Designed for 4\" ducts, WhisperComfort includes necessary mounting hardware and is easy-to-install.; CODE COMPLIANT: This product is ENERGY STAR certified and complies with ASHRAE 62.2, LEED, and Washington VIAQ codes and standards.