Uni Filter 09-21 Arctic Cat Alterra TRV 550-700 Alterra / 08- 14 Prowler 650/700/1000 Air Filter - NU-8606ST

For over 50 years, Uni Foam Air Filters have been unsurpassed in both engine protection and overall performance. Their unique two-stage design produces more horsepower and more torque than any other air filter for your ATV.