hrv 177cfm house heat recovery ventilation system

{"cid":"91223798","title":"House Compact Residential HRV Vertical Heat Recovery Ventilator CFA Series","imgUrl":"https:\/\/img.ismap.com\/nimg\/5e\/2f\/74521010774dc2bb33191154369b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Holtop","Model Number":"CFA 250T","Minimum Order Quantity":"1pc","Delivery Time":"Two weeks","Place of Origin":"Beijing,China","Payment Terms":"TT","Supply Ability":"200000 units per year","Packaging Details":"box","Certification":"CE","Design":"Top Ported, compact design","Control mode":"Control included with 4-mode operation","Air let":"Top air inlets\/outlets","Inner structure":"EPP inner structure","Exchanger":"Counterflow heat exchanger","Heat recovery efficiency":"Heat recovery efficiency up to 95%","Fan":"EC fan","Electrical Heater signal port":"The Electrical Heater signal port is reserved","Function":"Bypass function","Control":"Machine body control + remote control","Type optional for installation":"Left or right type optional for installation","Optional parts":"CO2 sensor, Remote intelligent controller, F7 filter, Wifi adaptor"}}