Pack of 4 HEPA Filters Filters for vacuum cleaners: Electrolux, Boldio, Excellio, Oxygen, Oxy3-Systems, Praxio, Power System, Smartvac, Ultra Silencer Series, FC8031 Series. Dimensions: 15 x 12 x 2.6 cm, easy to use and store. Filtration of 99.9% of all dust and dirt particles (pollen, spores, bacteria, mites, etc.). Compatible with: Electrolux: ZUA3840P, ZE346B, Z3347, ZU3375, US3940P, ZE360WP, ZSC69FD2, ZSC6940, ZUAG3801, ZUA3940P, ZUSG3901, ZSC6940 other models. Compatible with: Philips FC9080, FC9081, FC9082, FC9083, FC9084, FC9085, FC9086, FC9087, FC9088, FC9008, FC9022, FC9023, FC9054, FC9057, FC9057, FC9. 9064, FC9104, FC9116, FC9122, FC9131, FC9200, FC9204, FC9206, FC9208, FC9208 9, FC9066, FC9067, FC9222, FC9262, FC9264, FC9225, FC9266, FC9252, FC9254, FC9256, FC9258, FC9261, etc. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.