... than 3000 hours 3.5g new blue ozone plate for air purifier used for household1.used in household air purifier, ,dryer,shoe ... purifier,Dryer,dishwasher,shoe cabinet, household disinfectant cabinet, oxygen bar, dehumidifier, refrigerator, domestic appliance and so on.2.Specification:the size ... can be up to 3000 hours.4,The detailed information:For ozone plate, we use ceramic ozone plate, 96-99%Mn ...