Air filter and module to be used for building up such a filter

Air filter for an HVAC system and method of manufacturing same

Air intake filter assembly

Compressed gas filter

Diesel particulate filter assembly

Disposable filter for a fluid handling device and a method...

Disposable filter for a fluid handling device and a method...

Filter and method of making

Filter apparatus

Filter element retainer construction

Filter retainer for turbine engine

Filter retention systems and devices

Filter unit construction for a filtration assembly

Filter with multiple sections of different media

Filtering apparatus for air treatment apparatus

Forced air system air filter

Forced air system air filter

Interlocking filtration device

Interlocking filtration device

Method of preventing air bypass in a filter bank and a...