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 : 90240P 90226P XC45871 CF11173 CF1168 AFC1356 PC5871 C45871P 24400, Kit Includes: 2x Cabin Air Filter, Kit Variations: K54-100160 K54-100324 K54-100445 K54-100594 K54-100795 K54-100954 K54-101113 K54-101272 K54-101431 K54-101590, Part Reference Numbers : 90240P 90226P XC45871 CF11173 CF1168 AFC1356 PC5871 C45871P 24400