Guard L1 and Guard S1 use TU, not CO. Older C-series bag charts do not establish Guard compatibility.
Which vacuums use CO?
The current Miele guide assigns CO bags to Guard M1 models.
Care and replacement
Check the current Guard M1 manual and bag reference before buying a multipack.
- Manufacturer reference
- CO
- Component
- bags
- Washability
- No
- Evidence type
- Manufacturer documentation; no physical fit test claimed
- Last reference check
- 2026-11-10
Editorial part notes
Brown-collar bag system for the Guard M1 family.
Documented fit
The current Miele guide assigns CO bags to Guard M1 models.
Compatibility limits
Guard L1 and Guard S1 use TU, not CO. Older C-series bag charts do not establish Guard compatibility.
Care and replacement
Check the current Guard M1 manual and bag reference before buying a multipack.
Manufacturer sources
Before you buy an alternative
An aftermarket listing that quotes this code is not automatically a genuine manufacturer product. Confirm its exact fit list, supplied components, seller identity and return conditions. We have not independently tested third-party alternatives.
Read the buying checklist