A vent assembly (100, 500, 700) comprising: a vent housing (110, 510, 710) defining: a first airflow pathway configured for fluid communication with an interior of an enclosure; a second airflow pathway configured for fluid communication with the environment external to the vent housing (110, 510, 710); and a third airflow pathway extending between the first airflow pathway and the second airflow pathway; a membrane coupled to the vent housing (110, 510, 710) such that the second airflow pathway and the third airflow pathway are in communication through the membrane; coalescing filter media (182, 782) disposed within the vent housing such that the third airflow pathway and the first airflow pathway are in communication through the coalescing filter media (182, 782); and the vent assembly (100, 500, 700) defining a spacing region between the coalescing filter media (182, 782) and the membrane, wherein the spacing region is: - defined by a media spacer (172, 572) disposed within the vent housing (110, 510, 710) between the coalescing filter media (182, 782) and the membrane, and by a physical gap between the media spacer (172, 572) and the membrane, or - the spacing region is merely a physical gap between the coalescing filter media (182, 782) and the membrane, characterized in that the coalescing filter media (182, 782) comprises a stack of a plurality of layers of synthetic filter media, wherein each of the stacked layers of synthetic filter media has a central axis, a plurality of the central axes being not collinear, such that some of the layers are non-aligned with some other of the layers of the coalescing filter media (182, 782) for preventing air from bypassing the coalescing filter media (182, 782). a vent housing (110, 510, 710) defining: a first airflow pathway configured for fluid communication with an interior of an enclosure; a second airflow pathway configured for fluid communication with the environment external to the vent housing (110, 510, 710); and a third airflow pathway extending between the first airflow pathway and the second airflow pathway; a first airflow pathway configured for fluid communication with an interior of an enclosure; a second airflow pathway configured for fluid communication with the environment external to the vent housing (110, 510, 710); and a third airflow pathway extending between the first airflow pathway and the second airflow pathway; a membrane coupled to the vent housing (110, 510, 710) such that the second airflow pathway and the third airflow pathway are in communication through the membrane; coalescing filter media (182, 782) disposed within the vent housing such that the third airflow pathway and the first airflow pathway are in communication through the coalescing filter media (182, 782); and the vent assembly (100, 500, 700) defining a spacing region between the coalescing filter media (182, 782) and the membrane, wherein the spacing region is: - defined by a media spacer (172, 572) disposed within the vent housing (110, 510, 710) between the coalescing filter media (182, 782) and the membrane, and by a physical gap between the media spacer (172, 572) and the membrane, or - the spacing region is merely a physical gap between the coalescing filter media (182, 782) and the membrane, - defined by a media spacer (172, 572) disposed within the vent housing (110, 510, 710) between the coalescing filter media (182, 782) and the membrane, and by a physical gap between the media spacer (172, 572) and the membrane, or - the spacing region is merely a physical gap between the coalescing filter media (182, 782) and the membrane, characterized in that the coalescing filter media (182, 782) comprises a stack of a plurality of layers of synthetic filter media, wherein each of the stacked layers of synthetic filter media has a central axis, a plurality of the central axes being not collinear, such that some of the layers are non-aligned with some other of the layers of the coalescing filter media (182, 782) for preventing air from bypassing the coalescing filter media (182, 782).