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 : 90196P 90292P XC25863 CF10073 CF10549 CF1159 CF1258 AFC1388 AFC1651 PC4524 PC5863 C25863 24212 24524, Kit Includes: 6x Cabin Air Filter, Kit Variations: K54-100131 K54-100272 K54-100328 K54-100449 K54-100784 K54-100943 K54-101102 K54-101261 K54-101420 K54-101579, Part Reference Numbers : 90196P 90292P XC25863 CF10073 CF10549 CF1159 CF1258 AFC1388 AFC1651 PC4524 PC5863 C25863 24212 24524