pm2 5 filter residential erv hrv

{"cid":"91223798","title":"Residential ERV HRV fresh air ventilator integrating heat exchanger filters and EC fans for energy recovery and improved indoor air","imgUrl":"https:\/\/img.chinax.com\/nimg\/c2\/dc\/ee74fd8e7f190ae5df9ac4976496-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Holtop","Model Number":"CFA 500T","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","Rated Voltage \u3001Rated Frequency":"Single Phase 230V~50Hz","Power Supply Voltage":"Rated Voltage \u00b110%","Operating Conditions":"Temperature: -10\uff5e40\u2103 Relative Humidity: \u226485% RH","Storage Conditions":"Temperature: -10\uff5e55\u2103 Relative Humidity: \u226485% RH","Control Method":"Dual Screen Control, Buttons + Indicator Lights \/ Digital Tubes","Fan Type":"EC Fan","Heat Exchanger":"Specially Engineered Resin","Filter":"Aluminum Alloy Frame + PU Foam \/ G4"}}

{"cid":"91225759","title":"Smart Fresh Air Ventilation Controller with Real Time CO\u2082 PM2.5 VOC Display WiFi Remote Access Weekly Programmable Schedule","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/a0\/05a4a934dd25c939d380230fd06a-200x200-1.jpg","attrs":{"Price":"$65","Brand Name":"OEM or neutral (no brand)","Model Number":"G6-S","Minimum Order Quantity":"1","Delivery Time":"2-3 weeks","Rated voltage":"AC110-240V, 50\/60Hz","Dimensions":"86 \u00d7 86 \u00d7 52.5 mm","Certification":"CE, RoHS","Payment Terms":"T\/T","Display size":"4-inch full-color touchscreen","Standby power":"\u2264 2.0W","Control power":"\u2264 200W","Operating temperature":"-10\u2103--- +50\u2103","Supply Ability":"100000pcs","Place of Origin":"Guangdong, China"}}