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 : 89687 XC25572 CF10370 CF1057 CF1330 AFC1312 PC5572 PC99415 C25572 24687 WP10105, Kit Includes: 10x Cabin Air Filter, Kit Variations: K54-100104 K54-100245 K54-100327 K54-100448 K54-100660 K54-100874 K54-101033 K54-101192 K54-101351 K54-101510, Part Reference Numbers : 89687 XC25572 CF10370 CF1057 CF1330 AFC1312 PC5572 PC99415 C25572 24687 WP10105