Up for sale is UNI 2001-2002 Magnum 325 4X4 Polaris MULTI-STAGE COMPETITION AIR FILTER. The vendor part number is NU-8504ST. Please read the title to know what is for sale

• Designed to fit in the factory air box exactly like original filter
• The best selling replacement air filter for competition motorcycles and ATVs
• Unique two stage design allows for easy and complete cleaning
• Dual layer of foam, can be serviced separately
• Thin Ultra Seal base is virtually impossible to tear and has a built-in "Grease Groove"
• Used by factory Yamaha, Kawasaki and Suzuki off-road