Excellent option for anyone riding in extremely dusty conditions for extended periods of time.

Features:

• Coarse foam pre-filter acts as an additional layer of protection.
• Extends service time between filter cleanings.

The Twin Air Filter's design, high-quality materials and superior construction deliver unbeatable performance and protection - and make Twin Air Filters the hands-down choice of more World and National Champions than all other filters combined. Fit this over your Twin Air Filter when you’re riding in severe conditions such as heavy dust and sand. This coarse foam pre-filter, oiled for maximum benefit, will act as an additional layer of protection and extend the service time between filter cleanings.