constant oxygen whole house central air conditioner

{"cid":"91156699","title":"Custom Size PTC Air Heater Air Heating Element With Ripple & Lead , Electric PTC Heater","imgUrl":"https:\/\/img.ismap.com\/nimg\/44\/48\/6621e336480f963733de5dd15244-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"HWA","Model Number":"PR4","Minimum Order Quantity":"1000pcs","Delivery Time":"15 to 20 days","Certification":"RoHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"100,000pcs","Packaging Details":"Standard CTN package or according to customer\u2019s requirement","Usage":"Air-conditioner","Function":"heating","extra-high-heating-efficiency":"fin pitch: 1.2m\/m, 1.68m\/m","dimension":"customized","material":"ceramic, aluminum","material of heat sink":"aluminum","Voltage":"220V","surface temperature":"50\u2103~280\u2103"}}