| Drain unclogger |
| A polarizing filter reduces it |
| Artery clogger |
| Air filters and spark plugs |
| Letter that might go through a filter |
| Ventilation-system filter |
| Cigarette that once advertised the "health benefits" of its Micronite filter |
| Attempt to bypass a spam filter, say |
| Acronym for a type of filter used in a vacuum |
| Act on like a carbon filter |
| Filter song about medicinal amount? |
| Air-filter acronym |
| Micronite filter cigarettes |
| Screens, filters and such |
| It's automatically filtered |
| Pollution filter of a sort |
| Big name in water filters |
| Type of air filter |
| Cause filtering |
| Like charcoal filter |
| Fodder for some filters |
| Word with horn or filter |
| What some headphones filter |
| Target of some filters |
| Water filter brand name |
| Filtered stuff |
| Filtered letter |
| Plumbing declogger |
| Type of filter in most air purifiers |
| It might be filtered |