CF Clean Fairy vacuum bags can be used for Nilfisk Nilfisk Advance Spectrum, Clarke, CarpetMaster Vacuum Cleaner Allergy Bags & Exhaust Filter replacement 1471058500, 147 1058 500, 147 1059 500, 14710 Design to fit Nilfisk Advance Model S12 D12 S15 D15 & Clarke 112 & 115 Spectrum They also catch debris on flooring, helping you clean your floor and improve air quality simultaneously Contains 20 bags and 4 micro filters Material: 2-layer with micro filter meltblown Note that this is an aftermarket replacement vacuum cleaner bag manufactured by Clean Fairy. Any vacuum cleaner manufacturer brand name is used solely for the purpose of demonstrating compatibility.