Overview Reviews Product Description UNI Multistage Competition Air Filter for Arctic Cat 400 500 650 H1 UNI NU-8603ST Product Videos Custom Field Product Reviews Write a Review Write a Review × UNI UNI Multistage Competition Air Filter for Arctic Cat 400 500 650 H1 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *