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 : 89897 XC45459 CF8813 CF8813A CF1026 AFC1204 PC5459 C45459 24897, Kit Includes: 10x Cabin Air Filter, Kit Variations: K54-100125 K54-100266 K54-100377 K54-100498 K54-100588 K54-100946 K54-101105 K54-101264 K54-101423 K54-101582, Part Reference Numbers : 89897 XC45459 CF8813 CF8813A CF1026 AFC1204 PC5459 C45459 24897