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 : R90284 90284P XC26176 CF11668 CF1250 AFC1536 PC6176 C26176 24048, Kit Includes: 11x Cabin Air Filter, Kit Variations: K54-100068 K54-100209 K54-100385 K54-100506 K54-100682 K54-100822 K54-101140 K54-101299 K54-101458 K54-101617, Part Reference Numbers : R90284 90284P XC26176 CF11668 CF1250 AFC1536 PC6176 C26176 24048