Patent ID: 9510557
Filing Date: 2016-12-06
CPC Classification: A01K,B01D,F24F,Y10T

Claim Text:
1. A filter element adapted for filtration of porcine reproductive and respiratory syndrome virus (PRRSV) from an air flow stream to an animal confinement building, the filter element comprising: a rectangular frame; a filter media pack extending across the frame in a non-V-bank configuration, the filter media pack having a depth of less than 8 inches such that in combination with the frame the filter element has a depth of less than 10 inches in a direction perpendicular to a plane defined the rectangular frame, the filter media pack comprising: a MERV rating of at least 14 and a filtration efficiency sufficient to prevent transmission of the PRRSV; and an air flow capacity of greater than 200 cfm @ resistance of 0.2 inch water gauge, per square foot occupied by the filter element transverse to the air flow stream.