Twin Air Flame Retardant Air Filter Honda CRF250/450R Assorted Models & YearsDesigned for optimal airflow under the most extreme conditions, this high performance filter is custom made for the Honda CRF 250RX, 250R, CRF 450RX, and 450R. Features: Dual Layer Protection The outer layer blocks larger particles like dirt, sand, and mud, while the inner layer filters out finer dust and contaminants. Special Foam Blend Allows for quick and easy air filter cleaning. Compact Design Smaller than the original air filter to improve