The Riccar 3621908300 Secondary Charcoal Filter fits the following canister vacuums:
- Riccar 1700/1800 Series
- Riccar Immaculate 2
- Riccar Immaculate 4
- Riccar Impeccable 2
- Riccar Impeccable 4
- Simplicity Gusto.2
- Simplicity Gusto.4
- Simplicity Moxie.2
- Simplicity Moxie.4
- Simplicity S36L-S36
- Simplicity S38