Twin Air Foam Filter for Polaris Outlaw/Predator/Sportsman 50/90 ATVs (2001-2006) Fused Outer and Inner Elements Prevent Dirt and Grime From Being Lodged Between Layers Thick, Flat Foam, Greaseless Sealing Ring Ensures Maximum Contact With Your Airbox While Acting as a Breathable Gasket for Increased Air Passage Coarse Open-Pore Foam Catches Airborne Dirt, Grime and SandFine Open-Pore Inner Foam Acts as a Second Filter to Trap the Smallest Particles While Ensuring Maximum Air Passage. Exclusively Formulated Adhesive Withstands Repeated Cleaning Twin Air Filters Are Slightly Smaller Than Stock Filters to Increase Air Space Around the Filter and Improve Circulation. image is for reference only. Actual product may vary based on the part number.