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5,370,722 • 5,529,593 • 6,197,077 B1 • 2170244 • 95904185 • 6-2113 • 7,323,028 • 7,416,577 • 8,726,954 B2 • 7,416,577 B2 • 7,842,116 B2 • Other Patents Pending.

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Fresh Air Intake Application – Note the notched-out sections on the border of this Stud Adapter Filter. Stud Adapter Filters can be sized to the specif dimensional requirements of any application. Stud Adapter Filters stop cottonwood seed from blanketing internal air filters so internal air filters can meet performance standards.