Filter module for dust collector system

Filter mounting system

Filter stop for a vacuum cleaner

Filter unit and process for manufacturing a filter unit

Filtering apparatus

Filtering bags with bag filter labels

Filtering member for filters

Filters

Filtration element having a variable density sidewall

Filtration media having a slit-film layer

Fitting for vacuum bags

Gas filter element

Gas filter element and method of manufacturing the same

Gas filter unit

Hard bag door with air directing arrangement

High efficiency depth filter and methods of forming the same

High efficiency industrial vacuum cleaner

Holder for a vacuum cleaner dust bag

Holder for annular filter

Horseshoe-shaped vacuum cleaner filter bag