Uni Filter's Original "Sock" Air Filters are constructed of green polyurethane foam with no flange or urethane snout. They are available in a variety of diameters and lengths to accommodate a variety...

Uni Filter's Original "Sock" Air Filters are constructed of green polyurethane foam with no flange or urethane snout. They are available in a variety of diameters and lengths to accommodate a variety...

Uni Filter Dirt Bike Foam Air Filters have been unsurpassed in both engine protection and overall performance for over 50 years. Their unique two-stage design produces more horsepower and more torque...

Uni Filter Air Filters have been unsurpassed in both engine protection and overall performance for over 50 years. Their unique two-stage design produces more horsepower and more torque than any other...

Upgrade your intake system with UNI's multi-stage competition air filters. Their unique two-stage design delivers longer-lasting, power-producing airflow:dry for speed, oiled for tough conditions...

UNI's two-stage foam design delivers superior filtration without sacrificing airflow. Ultra-Seal filters feature a unique grease groove for a tighter, more secure seal to your air box.

Uni Filter's Dual Layer "POD" Air Filters are constructed with "Two" layers of foam, a course red outer layer and a fine black inner layer. This "Two Stage" technology provides superior dirt stopping...

Uni Filter's Dual Layer "POD" Air Filters are constructed with "Two" layers of foam, a course red outer layer and a fine black inner layer. This "Two Stage" technology provides superior dirt stopping...

UNI's two-stage foam design delivers superior filtration without sacrificing airflow. Ultra-Seal filters feature a unique grease groove for a tighter, more secure seal to your air box.

Uni Filter's Dual Layer "POD" Air Filters are constructed with "Two" layers of foam, a course red outer layer and a fine black inner layer. This "Two Stage" technology provides superior dirt stopping...

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...

UNI's two-stage foam design delivers superior filtration without sacrificing airflow. Ultra-Seal filters feature a unique grease groove for a tighter, more secure seal to your air box.