In-line HEPA filter

Incineratable holding frame for filter bags, and method of makin

Industrial dust collector and method for its use

Industrial dust-collector

Industrial filter

Interface arrangement for a filter bag in a vacuum cleaner

Laboratory animal carrier filter bag

Manhole biofilter

Manually closable vacuum cleaner bag

Manually closable vacuum cleaner bag collar and method of making

Melt blown composite HEPA filter media and vacuum bag

Method and apparatus for tensioning bag filters

Method and apparatus for tensioning bag filters

Method for contamination control and barrier apparatus with filt

Modular filter bag cage

Mounting and closure structure for a bag, such as a vacuum...

Mounting collar for a filter bag

Mounting collar for a vacuum cleaner filter bag

Multi-pocket filter

Multiple use disposable vacuum cleaner bag