Filter media

Filter module

Filter orientation ribs

Filter pleat fold spacer

Filter system

Filter system; element configuration; and methods

Filter system; element configuration; and methods

Filter system; element configuration; and methods

Filter system; element configuration; and methods

Filter unit

Filter ventilator

Filter with a filter cassette

Filter with efficiently sealed end

Filter with efficiently sealed end

Filter with improved fatigue performance and torque transfer

Filter with integral structural framework

Filter with rotational end cap base retention

Filter, especially air filter

Filtering cartridge, in particular for internal combustion...

Filtering device comprising a detachable filter housing