FRAM® Fresh Breeze cabin air filters can keep up to 98% of road dust and pollen particles from entering a vehicle. The only cabin air filter that uses the natural deodorizing properties of ARM & HAMMER™ baking soda. Contaminants that enter the vehicle with outside air through the vehicle’s air conditioning, heating and ventilation system can become concentrated and expose passengers to road dust, dirt and allergens at higher levels than outside the car. Filters up to 98% of dust, pollen and other contaminants ARM & HAMMER baking soda combined with carbon embedded in the filter assists in cleaning outside air flowing through the vehicle’s ventilation system Helps protect your vehicle's heating and air conditioning unit while also keeping it working efficiently Installs on average in 15 minutes