Contains four Miele HyClean Air GN vacuum cleaner bags, one Miele AirClean filter and one motor protection filter The Miele AirClean filtration system reliably traps 99.9% of fine dust particles, helping to reduce airborne dust and deliver a thorough clean HyClean Air GN dustbags feature 70% recycled construction and large capacity for fewer bag changes, all while maintaining peak efficiency Compatible with Complete C3, Classic C1, S2 and S8 series Miele canister vacuums - HyClean Air GN dustbags fit selected series of Miele canister vacuums including Complete C3 and Classic C1 Not compatible with some other series including Compact C1, Compact C2, Guard S1, Guard M1 and Guard L1