Uni Filter Liquid Car Wash
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About Uni Filter
Since 1969, Uni Filter has built a reputation as one of the most trusted names in filtration, engineering what many riders and mechanics consider the finest foam air filters ever made. Founded and headquartered in Fullerton, California, the company set out with a single mission: to design an air filter that truly works — one that captures dirt effectively, holds up under demanding conditions, and can be cleaned and reused rather than thrown away.
The secret behind Uni Filter's performance lies in its use of polyurethane foam as the primary filtration media. Unlike paper or synthetic fiber elements, polyurethane foam offers an exceptional combination of fine particle capture and airflow efficiency. Dirt and debris become trapped deep within the foam matrix, while the porous structure allows engines to breathe freely — a balance that directly translates to improved throttle response and engine protection. When the filter needs servicing, it can be washed and re-oiled rather than discarded, making it an economical and environmentally conscious choice over the long haul.
A landmark moment in the company's history came in 1973, when Uni Filter introduced its patented Sock Filter — a wrap-around foam filter designed for motorcycles and small engines that revolutionized how the industry approached intake filtration. That innovation helped establish Uni Filter as a global leader, and today the brand offers the most comprehensive line of foam air filters in the world, covering an enormous range of powersports, off-road, and small-engine applications.
At the core of the lineup are Uni Filter's celebrated Air Filters, engineered for motorcycles, ATVs, dirt bikes, and other performance applications where stock filtration simply isn't enough. These filters are a favorite among off-road enthusiasts and racers who demand consistent protection in dusty, muddy, or wet environments. For powersports and small-engine applications that require a slightly different form factor, Uni Filter also offers a dedicated range of Air Filters tailored to those specific platforms.
Beyond intake filtration, Uni Filter's engineering expertise extends to Fuel Tank Breather Filters, which protect fuel systems from contamination by filtering the air that enters the tank as fuel is consumed. Preventing moisture and debris from entering the fuel supply is a small but critical detail that can mean the difference between reliable performance and costly repairs. The brand rounds out its filtration ecosystem with Oil Filters and convenient Filter Service Kits that include everything needed to clean, re-oil, and restore a foam filter to like-new condition — keeping maintenance simple and cost-effective.
Whether you're racing off-road, commuting on a motorcycle, or maintaining a small engine, Uni Filter's decades of foam filtration expertise make it a brand worth trusting for clean air and long engine life.