Patent ID: 7901479

Claim:
A vertical flow filter cassette rack comprising: a three dimensional rectangular rack wherein at least a top, bottom and front are open; a lower sealing support track spanning each side adjacent said front, each said lower sealing support track being proximate the bottom of said rack and retained therein with a plurality of fasteners having heads within a fastener retaining slot longitudinally extending along each of said lower sealing support tracks, each of said lower sealing support tracks having a longitudinally extending gasket slot formed in an inward side oppositely opening said fastener retaining slot; and an upper non-sealing support track spanning each side adjacent said front proximate the top of said rack wherein each of said upper non-sealing support tracks are vertically oriented with each said lower sealing support tracks; wherein said upper support tracks have at least one intermediate non-sealing support track mounted therebetween, said at least one intermediate non-sealing support track is mounted within an upper side of said rack with a plurality of fasteners having heads within a fastener retaining slot, a cassette guide extends centrally and opposite said fastener retaining slot, below each of said intermediate non-sealing support track is an intermediate sealing support track having a cassette guide extending from a lower portion of said rack toward said cassette guide of said intermediate non-sealing support track, each cassette guide of said intermediate sealing support tracks has a filter cassette retaining flange horizontally depending in both directions from said intermediate sealing cassette guide proximate an edge opposite a fastener head retaining slot.