Universal Round Tapered Filter Wrap - Black - 6in Base ID x 4.625in Top ID x 9in Height (KNNRE-0810PK)Add an extra layer of protection with the Universal Round Tapered Filter Wrap Black 6in Base ID x 4. 625in Top ID x 9in Height from K&N. This pre filter wraps around your K&N air filter to guard against dust, sand, and debris in harsh conditions extending the life of your filter and keeping your engine breathing clean in the toughest environments. Features Extends the service interval of your K&N air filter Ideal for dusty, sandy, or off road