| Answer | Crossword Clue |
|---|---|
| TAR | A cigarette filter filters it |
| unfiltered | (of a cigarette) Not provided with a filter |
| SPAM | What an email filter filters |
| TAR | What cigarette filters are supposed to block |
| TARS | Cigarette filter targets |
| KENT | Cigarette that once advertised the "health benefits" of its Micronite filter |
