Micro-porous filter

The present invention relates to a filter system for use in enclosure devices. More particularly, the present invention relates to a micro-porous filter system for venting a build up of explosive/flammable hydrogen gas out of an electrical enclosure, particularly, a lighting fixture. A micro porous gas breather/filter assembly can be coupled to a housing of an electrical enclosure. The filter assembly has a two portion housing with the filter disposed between them. An adhesive on the filter attaches the filter to one or both portions of the housing. The filter allows gas to pass from the enclosure through the filter and to the atmosphere, but prohibits liquid from passing into the enclosure device. By filtering gases and liquids in this manner, the filter vents explosive and/or flammable gases from an electrical enclosure, while preventing liquid and other contaminants from entering the enclosure and damaging the electrical device or its wiring.