Фразовые глаголы, происходящие от 'filter'

filter down

Of a liquid; to move slowly down to lower substrate levels.

(by extension) Of information, or resources; to move slowly down to lower levels of an organisation, or population.

filter up

Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population.

filter out

Remove something unwanted

filter in

Move into a lane of traffic without making other cars stop