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 : 89869 XC45654 CF10371 CF1061 AFC1155 PC5654 C45654 24869, Kit Includes: 12x Cabin Air Filter, Kit Variations: K54-100022 K54-100163 K54-100357 K54-100478 K54-100644 K54-100728 K54-100887 K54-101205 K54-101364 K54-101523, Part Reference Numbers : 89869 XC45654 CF10371 CF1061 AFC1155 PC5654 C45654 24869