PUR exclusive enhanced HVAC filters up to 99.7% of dust, pollen and contaminants, PUR exclusive weaves are USA-engineered to last up to 15,000 miles, 25% longer than standard performance of 12,000 miles, PUR filter use thick, industrial strength electrostatic media to trap even the tiniest of particles while densely packed activated carbon prevents gases and odours from entering the cabin, Road debris, exhaust fumes, and contaminants undergo filtration through a three-layer system, which includes a dust filter for trapping road debris, a particle-averting filter to block airborne particles, and an adsorption filter for absorbing exhaus, Contains soda combined with carbon cleans the outside air flowing through the ventilation system, Part Reference Numbers : 93956 XC10493 CF12140 CF1358 AFC1734 PC99195 C31452 WP10267, Kit Includes: 2x Cabin Air Filter, Kit Variations: K54-100142 K54-100288 K54-100409 K54-100672 K54-100723 K54-100882 K54-101041 K54-101200 K54-101359 K54-101518, Part Reference Numbers : 93956 XC10493 CF12140 CF1358 AFC1734 PC99195 C31452 WP10267