Features:* * Made of material, and practical to use * Purify Fresh Air: Remove the smell of mildew, smoke, odor and paint to keep indoor air fresh and fresh.* Replacement discs and Dimplex electric wall fire removal tool. Optimal position of the transducer in the water is 5cmSuitable for models: for DIMPLEX, RTOPCS20, RTOPW20, RTOPI20BR, RTOPI20CH, BBK20 (a-d series) "BBK20 (E series)" BRG20 (A series) "DNV20CH (a-dalej series)" DNV20AB (a-c series) "DNV20BL (a-next series)" DNV20BR (A - C series) "MFD20 (A Series)" OKT20 (A Series) "RDY20 (A - D Series)" RDY20 (E Series) "SCR20 (A Series)" SCR20 (K Series) "TAH20 (A Series)" TAH20 (E Series) "WBK20 (A Series) "WMR20 (A Series)" ALM20 (A Series) "AUB20 (A Series)" CAS600" CAS400NHLL" CAS400HLL "CAS600NH" RTOPCS20 "RTOPW20" RTOPI20BR "RTOPI20CH" SVT20 (A Series)* Note: Transmitter replacement may be required if no fog is formed or if the fire cuts off after 30 seconds. There are several other components that can also contribute to a lack of mist or premature cutout—such as a faulty sump fan, calcium buildup, under/incorrect water levels in the tank, faulty lamps, damaged mist nozzle, or improper transducer fit. Specifications:Ceramic plate diameter: 20mm (without rubber)Power: 17W Working voltage: DC24V Working current: 700M Humidification capacity: 350 ML/HUltransmit M-011B 201312 multifunction device DC24V 500mA or M011B-1C A3 4414# CHM4312. Package Contents:1 x Transducer4 xTransducer Discs1 x Wrench (used to open the lid during the discs)Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.