PANASONIC FV-12ESC1 INTELLI-BALANCE ELITE PLUS 120 ANY CLIMATE ENERGY RECOVERY VENTILATOR (ERV), 30-120 CFM FOR EXHAUST AND SUPPLY, OCCUPANT-CONTROLLED BOOST FUNCTION; MERV 13 FILTER INCLUDED, ASHRAE 62.2 TIMING FUNCTION, 6 DUCT, CORDED, HARDWIRE ADAPTOR INCLUDED