Heat Recovery Ventilator Total recovery ventilator:62%-72% Sensible recovery ventilator:62%-72% Product Descriptions1. Air flow range: 150-1200m3/h, wildly used in large and medium-sized meeeting room, office, hotel room, hospitallization building, swimming pool, labjoratory, computer room, edible mushoroom farms, chess room, dining, shopping malls and so on. 2. Ultra-low running quiet ...