DESC: Known as SF-SAC20 and SF-SAC 30, this package contains three electrostatic Super Air Clean Filters. One is used as the standard exhaust filter in many Miele canisters. It is designed for those desiring outstanding filtration but who do not have dust related sensitivities which require the level of filtration that meets the stringent HEPA specification. When purchasing a box of Miele paper bags, you will also received one of these filters plus the electrostatic secondary filter packaged with them. Purchase this pack of three Super Air Clean Filters if you wish to change them more frequently than every five bags. This package replaces former packages 03944710 and 03366200. Product Code: 03944711