Open-cell polyurethane foam. Use in conjunction with stock air filter to trap larger particles and debris. Dimensions: 11” x 12” x 3/4”. Easy cut to fit for any air box. Extends filter life, and cleaning intervals of stock air filter. Can be oiled like stock filter for best performance. Keeps mud from packing next to foot pegs, brake and shifter controls. Also can be used to displace mud on helmet visor in muddy conditions. Made in the U.S.A..
