咖啡机内有过滤器。

Kāfēijī nèi yǒu guòlǜqì.

There is a filter in the coffee machine.

这款空气净化器能有效过滤细菌。

Zhè kuǎn kōngqì jìnghuàqì néng yǒuxiào guòlǜ xìjūn.

This air purifier can effectively filter bacteria.

饮用水经过多重过滤。

Yǐnyòng shuǐ jīngguò duōchóng guòlǜ.

Drinking water goes through multiple filtrations.