Universal Airforce Pre-Cleaner Round Tapered Red Air Filter Foam Wrap 6in Base ID x 5in Top ID x 9in H (KNN25-0810)Add an extra layer of protection with the Universal Airforce Pre Cleaner Round Tapered Red Air Filter Foam Wrap 6in Base ID x 5in Top ID x 9in H 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