pm2 5 heat recovery and ventilation system

{"cid":"91222833","title":"350m3\/H H13 Heat Recovery Ventilation System for Commercial Spaces","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/46\/58\/273936eaf186992f28f1299c2eab-200x200-1.jpg","attrs":{"Price":"Negotiable","Minimum Order Quantity":"200","Delivery Time":"7-15 working days","Certification":"CE, CCC","Packaging Details":"Depends on equipment sizes","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Model NO.":"H602P","Application":"Heater, Cooler, Purifier","Principle":"Mixing Heat Exchanger","Material":"Plastic + Steel","Weight":"49kg","Noisy Level":"Maximum 47dB","Language":"English\/Chinese","Purification Class":"Class H13","Transport Package":"Wood+Carton","Specification":"1767*460*360mm","Trademark":"Shiny-greenspace","Origin":"China","HS Code":"8419500090","Production Capacity":"200000 Pieces\/Year"}}

{"cid":"91223798","title":"Commercial ERV HRV Energy Recovery Ventilation System for Comfort Fresh Air Heat Recovery and Energy Saving","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/dd\/a5\/cdc3013452165e2ef1a860cd2c29-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Holtop","Model Number":"XHBQ-D6THC","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","Model":"XHBQ-D6THC","Airflow (m3\/h)":"600","External Pressure (Pa)":"97","Noise dB(A)":"39","Input Power (W)":"250","Weight (kg)":"34"}}