21 Filter Lifetime One of the most silent Enjoy whisper-quiet operation: only 19dBA. No maintenance costs for at least 10 years No hassle with periodic filter replacements Our air purifiers feature a complete filtration system, with four stages of filtration to ensure your air is as purified as possible. With our air purifiers, you can enjoy the benefits of cleaner air, with minimal maintenance. 3. Deodorizing filter Our air purifiers feature a powerful deodorizing filter that helps to reduce odours from cooking, pets, and other sources in the air. 1. Pre filter Our air purifiers feature an advanced pre-filter that helps to reduce the amount of pollutants that reach the main filter, which helps to extend the life of the air purifier and improve performance. 4. Humidifying filter Our air purifiers feature a built-in humidifying filter that helps to add moisture to the air. This filter helps to keep the air from becoming too dry, which can cause issues such as skin or throat irritation from dry air. Please refer to product pages to check which units offer humidification. 2. Electrostatic HEPA filter High Performance Electrostatic HEPA Filter is a high-efficiency particulate air filter system that is designed to catch fine particles of dust. What makes Electrostatic HEPA better than Non-Electrostatic HEPA filter *Mechanism of reduction by active plasma ions. (Concentration 25,000 ions/cm3.) • Daikin’s plasma ions have been proved safe, in relation to the effect on skin, eyes and respiratory organs. • Testing organization: Life Science Laboratories, Ltd. • Name of test: repeated-dose toxicity test. • Test number: 12-II A2-0401 Mechanism of reduction by active plasma ions. About the dust collection and deodorizing capacity of an air purifier: • Not all harmful substances in cigarette smoke (carbon monoxide, etc.) can be removed. • Not all odour components that emanate continuously (from building materials and pets, etc.) can be removed. The Daikin air purifier is not a medical device and is not meant to be used as a substitute to any medical or pharmaceutical treatment. HEPA filtration effect claims: • Removes 99% of particles between 0.1μm and 2.5μm in size: test method: Japan Electrical Manufacturers’ Association Standard JEM1467. Criterion: Remove 99% of fine particulate matters of 0.1 to 2.5μm in a closed space of 32m³ within 90 minutes. (Converted to a value in a test space of 32m³). Deodorization/gas removal effect claims: • Reduction of gases by oxidation: testing organization: Life Science Research Laboratory. Test method: After operating a gasoline engine for 10 minutes (when particulate concentration reached 60mg/m³), operated the air purifier for 80 minutes to absorb polluting particles emitted from the engine. Operated this air purifier for 24 hours in a closed space of 200L and measured the effect to decompose gases. Test result: Compared with a test without Streamer irradiation, gas components were reduced by 63% in 9 hours. Test number: LSRL-83023-702. Test unit: Tested with MCK70N (Japanese model). • Adsorption and decomposition of odours: placed the air purifier and an odour component, acetaldehyde, in a box of 21 m³ and operated the air purifier. Examined increase of concentration of product (CO2) generated by decomposition of acetaldehyde by Streamer (evaluation by Daikin). Test unit: Tested with MCK55S (Japanese model), a model equivalent to MCK55W series. • Formaldehyde decomposition: test method: constant generation method. Test room: 22 to 24 m³, temperature: 23 ± 3°C, humidity: 50 ± 20%. Ventilation condition: When concentration of 0.2 ppm is continually emanated, a removal capacity of 0.08 ppm is maintained at 36 m³/h, which is within the guideline of the Ministry of Health, Labour and Welfare in Japan. (This equates to the ventilation capacity of an approximately 65 m³ room.) Substance decomposition effect claims: • Removal of bacteria from dust collection filter: testing organization: Japan Food Research Laboratories. Test number: 15044988001-0201. Test method: Attached a test piece inoculated with bacteria liquid on the upstream side of a dust collection filter installed in an air purifier, and operated it in a test area of 25 m³. Counted the number of live bacteria after five hours. Test result: Reduced by more than 99% in five hours. Test unit: Tested with MCK55S (Japanese model), a model equivalent to MCK55W series (turbo operation). • Removal of bacteria from humidifying filter: testing organization: Japan Food Research Laboratories. Test number: 15044989001-0101. Test method: Attached a test piece inoculated with bacteria liquid on the upstream side of a humidifying filter installed in an air purifier, and operated it in a test area of 25 m³. Counted the number of live bacteria after five hours. Object part: Humidifying filter. Test result: Reduced by more than 99% in five hours. Test unit: Tested with MCK55S (Japanese model), a model equivalent to MCK55W series (turbo operation). • Allergen decomposition and removal: various allergens were irradiated by streamer discharge and the breakdown of protein in the allergens was verified using the ELISA method, cataphoresis, or an electron microscope (Joint research with Wakayama Medical University). Test example: ‘Japanese cedar pollen Cryj-1’. Test result: 99.6% or more decomposed and removed in 2 hours (ELISA method); 96.9% decomposed and removed in 4 hours (other measurement method). Note: test performed on the flash streamer module. • Virus removal ref. 1: testing organization: Kitasato Research Center for Environmental Science. Test result certificate 21_0026 (issued by same organization). Result of experiment: 99.9% removal of A-H1N1 virus after 1 hour. Note: test performed on the flash streamer module. • Virus removal ref. 2: testing organization: Vietnamese Institute of Hygiene and Epidemiology. Result of experiment: over 99.9% removal of A-H5N1 virus in 3 hours. Note: test performed on the flash streamer module. • Virus removal ref. 3: testing organization: Graduate School of Kobe University. Result of experiment: over 96% removal of Norovirus in 24 hours. Note: test performed on the flash streamer module. VERSUS Electrostatic HEPA filter Non-electrostatic filter Because it catches particles relying only on mesh size, it is necessary to make mesh finer, making it easy to be clogged and cause high pressure loss. J Removes 99.97% of fine particles of 0.3μm. J Filter fiber itself is charged with static electricity, and collects particles efficiently. J Doesn’t clog easily, hence causes low pressure loss.
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