guò​lǜ​qì

filter

过滤器 (過濾器) guò​lǜ​qì
filter noun
a device, machine, or apparatus used to remove impurities or separate components from a liquid, gas, or stream

This water purifier is equipped with an efficient filter.

Frequency

Movie subtitles
2.18 per million appears in 1% of films
Written text
1.18 per million

Sources

Definitions
CC-CEDICT