The Miele Pre-Motor Filter (3-Pack) (06713110) stands vertically behind the dustbag at the back of the bag compartment. This filter will fit almost all of Miele's canister vacuums, including those in the following series:
- S250
- S300
- S500
- S600
- S4000
- S5000
It is NOT designed for use in the S230 - S270 series which was manufactured many years ago.