quick view K&N Engineering K&N Replacement Cabin Air Filter - 99-0660 MSRP: $23.99 K&N Cabin Air Filter Refresher for washable cabin air filters comes in an 8 ounce pump spray bottle. Once the filter is cleaned, the refresher is sprayed on to increase the electrostatic properties of the cabin air filter helping it to trap contaminants... Add to Wish List Add to My Wish List Create New Wish List Compare