filters
nounUK /ˈfɪltəz/
US /ˈfɪltərz/
Things that clean out the bad bits from water or air.
The water filters make the tap water safe to drink.
OTHER MEANINGS
2. Special effects you can put on photos to change how they look.
She added funny filters to her selfie.
3. Software that blocks unwanted emails or content.
The spam filters keep junk mail out of my inbox.
4. Devices or settings that change sound or light.
The camera filters make the sky look more blue.