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 : 89812 89813 90181P XC35448C CF10382 CF8804A CF1021 CF1021A CF1021C AFC1137 AFC1138 PC5448 PC5668 C35448 C35477 C35668 24812 24813, Kit Includes: 3x Cabin Air Filter, Kit Variations: K54-100102 K54-100400 K54-100521 K54-100585 K54-100790 K54-100949 K54-101108 K54-101267 K54-101426 K54-101585, Part Reference Numbers : 89812 89813 90181P XC35448C CF10382 CF8804A CF1021 CF1021A CF1021C AFC1137 AFC1138 PC5448 PC5668 C35448 C35477 C35668 24812 24813