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 : 90129C XC26078C CF10103 CF1100 AFC1469 PC6078 C26078 C26078C 49374, Kit Includes: 9x Cabin Air Filter, Kit Variations: K54-100076 K54-100217 K54-100291 K54-100412 K54-100640 K54-100736 K54-100895 K54-101054 K54-101213 K54-101372, Part Reference Numbers : 90129C XC26078C CF10103 CF1100 AFC1469 PC6078 C26078 C26078C 49374