Patent ID: 8118919
Filing Date: 2012-02-21
Classification: B01D,E06B

Abstract:
1. An air filter for a house comprising: organza, wherein the organza is a thin, plain weave, sheer fabric made from natural silk and wherein said organza allows air to pass into said house but prevents undesirable air particulates to pass and wherein the organza is nearly completely see through; a filter frame wherein said filter frame is positioned within a window opening of said house, the filter frame comprising an inner edge, an outer edge and an inner space defined as the perimeter of the inner edge, wherein the outer edge contacts a frame of said window; wherein said organza is disposed over said filter frame to completely cover the inner space and is adapted to fit a window of said house; and a pair of first and second plastic mesh screens disposed over said filter frame for keeping insects out of said house, wherein the first screen is positioned upstream from the organza and the second screen is positioned downstream from the organza; wherein the inner edge of the filter frame comprises a groove containing an elastic material used to secure the screens and organza material to the filter frame.