hrv 177cfm house heat recovery ventilation system

{"cid":"91223798","title":"House Compact Residential HRV Vertical Heat Recovery Ventilator CFA Series","imgUrl":"https:\/\/img.chinax.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","Certification":"CE","Place of Origin":"Beijing,China","Payment Terms":"TT","Supply Ability":"200000 units per year","Packaging Details":"box","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"}}

{"cid":"91225530","title":"350\/290CMH Fresh Air Unit HRV Heat Recovery Ventilator For House","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/61\/dd5bbd2b3cc0cddd11d4c86f46ab-200x200-1.jpg","attrs":{"Price":"49USD ~85USD","Brand Name":"Beiaole","Model Number":"DPT20-55JH","Minimum Order Quantity":"20 units","Delivery Time":"7 to 15days upon the receipt of full payment","Place of Origin":"Guangdong, China","Material":"Galvanized Steel","Color":"Black White","Customization Support":"OEM\/ODM\/OBM","Certification":"CE SAA CCC ISO SGS TUV","Packaging Details":"Packaging method: External hard carton + internal sponge","Payment Terms":"L\/C,T\/T,Western Union","Weight (KG)":"11","Heat Exchanger Type":"Tube Heat Exchanger","Current type":"AC","Air volume":"350\/290 M\u00b3\/h","Product Name":"Integrated purification fresh air unit","Supply Ability":"60000 Pcs\/Month"}}