1.KRV-16DT 2.Wind volume:1600m3/h 3.Static ... level:42 [dB(A)] KRV also called energy recovery ventilator,with cross flow paper core. Which ... costs.CharacteristicEnergy Saving Crossflow energy recovery unit, rectangular air channel, improved the energy recovery efficiency, reduced the ... Except the two-way air exchange, air purification, energy recovery, machine also have bypass, two speed regulatory ...