Patent ID: 9114343
Filing Date: 2015-08-25
Classification: B01D,Y10T

Abstract:
1. A method of installing a filtration unit, the method including: providing a filter element for filtering fluid; providing a rectangular frame including a first portion defining an upper-most peripheral edge of the frame, and a second portion defining a lower-most peripheral edge of the frame running parallel to the upper-most peripheral edge, the frame supports the filter element, and the frame defines at least one opening, the at least one opening providing a continuous and uninterrupted air entry-way and having an upper edge adjacent and parallel to the upper-most peripheral edge and a lower edge adjacent and parallel to the lower-most peripheral edge, wherein a first dimension measured between the upper-most peripheral edge and the upper edge of the at least one opening is greater than a second dimension measured between the lower-most peripheral edge and the lower edge of the at least one opening; and mounting the filtration unit in a top section and a bottom section of a holding frame.