Patent ID: 8128724

Claim:
A filter element comprising: (a) first, second, and third filtration panels positioned in a support structure around a filter interior; (i) the support structure defining a first exterior region between the first and second filtration panels; (ii) the support structure defining a second exterior region between the first and third filtration panels; (iii) the support structure defining a third exterior region between the second and third filtration panels; and, (iv) the support structure including a first, closed, end and a second end; the second end being an outlet aperture therethrough providing air flow with the filter interior; (b) a first mounting element positioned on the support structure: adjacent the end of the support structure with the outlet opening therethrough; and, between the first and second filtration panels; (c) a second mounting element positioned on the support structure: adjacent the end of the support structure with the outlet opening therethrough; and, between the first and third filtration panels; (d) a third mounting element positioned on the support structure: adjacent the end of the support structure with the outlet opening therethrough; and, between the second and third filtration panels; and, (e) a seal member positioned on the support structure and surrounding the outlet opening through the end of the support structure.