The exhaust filter is the last filter that air passes through before exiting the vacuum cleaner. Clogged filters can affect the suction ability of your vacuum cleaner. Cleaning and replacing your filters regularly will help to maintain performance of your machine. A washable ALlergy plus filter E13 which captures even the very finest particles (99, 95% of particles down to 0, 06micron) particles like pollen, mould spores, dust mite faeces and allergens. By purifying the air leaving the vacuum cleaner, this filter reduces the risk of allergic reactions. Just wash it under running water and wait to get it dry before using it again. We recommend that filters should be replaced at least twice a year, or when they become visibly soiled. Fits Electrolux vacuum cleaners : Accelerator, Air Max, Bolido, Clario, Classic Silence, Cyclone Power, Cyclone XL, Ergobox, Ergo Space, Essensio, Excellio, Jet Maxx, Maximus, Oxygen+, Oxygen, Smartvac & Powersystem, Super Cyclone, Twin Clean, Ultra Active, Ultra One, Ultra Silencer, Viva Control, Viva Quickstop. Check compatibility before purchase.