Patent ID: 7467435

Claim:
A mattress, comprising: a plurality of layers, each layer extending in a substantially parallel, horizontal direction and being positioned in vertical relation to the other layers and having a top portion, a bottom portion, a left side and a right side; at least one layer being comprised of material selected from the group consisting of convoluted latex, regular latex, viscoelastic polyurethane, regular polyurethane or convoluted polyurethane; at least one of the layers being comprised of a plurality of sections, at least two of the sections being comprised of different materials having different firmness ratings and at least one of the sections being comprised of viscoelastic polyurethane; at least one layer being comprised of a foam base with an open-cell structure; an air filtration foundation coupled to the mattress wherein the air filtration foundation includes a fan assembly and a filter assembly; wherein each of the layers is comprised of material that allows air to flow through the layer; and wherein the filter assembly includes a filter that is selected from the group consisting of HEPA, HEGA, carbon, carbon-zeolite, ionic, ozone, or ultra-violet filters.