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The K&N Drycharger silicone-treated polyester wrap (RF-1048) covers tapered round air filters and flame arrestors to limit water intrusion while preserving airflow. Its uniform micron openings allow high air flow as a pre-filter over K&N elements; the silicone water-repellent treatment typically lasts one to two years, helping maintain filter breathing in damp conditions without obstructing airflow.
K&N Round Tapered Air Filter Wrap Black 7.5in Base ID / 4.5in Top ID / 6in Height
