1.used in household air purifier, ,dryer,shoe cabinet, oxygen bar and so on 2.CE,ROHS Approved 3.3000 hours using life time HERE IS SIHON ELECTRONICS CO LTD1.Usage: Used in household air purifier,air fresher, home air purifier,Dryer,dishwasher,shoe cabinet, household disinfectant cabinet, oxygen bar, dehumidifier, refrigerator, domestic appliance and so on. 2.Specification: Size of plate37mm* ...