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K&N Drycharger pre-filter wrap for round straight air filters, 4.5-inch ID x 4-inch H. The silicone-treated polyester cover lets high airflow through while limiting water intrusion to the filter or flame arrestor, making it useful for marine or wet conditions. The Drycharger’s uniform micron openings preserve breathing characteristics and the water-repellent treatment typically lasts one to two years with normal use.
K&N Black Drycharger Round Straight Air Filter Wrap 4.5in ID x 4in H
