SKU : NB 113One New Natural Breeze Upgraded 4-Step TRUE  HEPA Replacement Filter for Electrolux Aerus Lux Guardian Air PurifiersOur Four-Step True HEPA filter boasts an upgraded design with an advanced TiO2 layer, Carbon Pre-Filter, Activated Carbon layer, and finally a True HEPA layer to ensure efficient filtration of household odors and 99.97% of airborne particles down to 0.3 microns in size.Filter Details:-Our Premium HEPA filter captures household pollutants and reduces Lint, Smoke, Pet Hair, Pollen, Dust, Cooking Fumes and odors in your home. -Purifies air for removal of 99.97% of airborne particles, dust, dander, smoke, VOCs, common pollutants, and pollen. Removes airborne particles down to 0.3 microns.-Our advanced Titanium Dioxide layer is evenly distributed across the filter. The competition’s TiO2 distribution is often blotchy and less efficient, leaving behind more contaminants in your home. -Our new upgraded four-step filtration design includes STEP 1: An advanced TiO2 layer to reduce VOCs. STEP 2: Carbon Pre Filter which captures large airborne particles such as lint and hair. STEP 3: Activated Carbon layer to reduce pet and household odors. STEP 4: True HEPA filter captures small airborne particles, down to 0.3 microns in size, leaving your family with clean, fresh air.-Every purchase includes one (1) 4-Stage Natural-Breeze TRUE HEPA Filter.-Filter Dimensions: 20.5" x 10" x 3.75"Filter Compatibility:-Designed for Electrolux Aerus Lux Guardian.-Compatible with: Electrolux Aerus Lux Guardian Air Purifiers F159B, F159A, 00498Replacement & Installation:-Installation is easy, with no tools required. To replace the old filter in your air purifier, simply remove the old filter and replace.All of our filters are stored in a TEMPERATURE CONTROLLED SMOKE-FREE ENVIRONMENT.If you are not satisfied with the filter, return it within 30 days for a refund of the purchase price, no question asked. Buyer is responsible for return shipping fees.Disclaimer: NATURAL-BREEZE is an independent seller and supplier of reusable washable Filters for Air Humidifiers and True HEPA filters for Air Purifiers. Any mentions of the Brand Electrolux and their designated models & filters are to demonstrate compatibility only. We are not affiliated nor agents for Electrolux or its subsidiaries. Buyers are advised to consult with their Manufacturer’s Warranty & Instructions of replacement filters with non-OEM products prior to purchase.