Universal Round Tapered Air Filter Wrap Black 7.5in Base ID/4.5in Top ID/6in Height (KNNRF-1048DK)Add an extra layer of protection with the Universal Round Tapered Air Filter Wrap Black 7. 5in Base ID 4. 5in Top ID 6in 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 Silicone connectors for a secure, durable seal Manufacturer Description The K&N Drycharger is a