Uni Filter NU-4010 Multi-Stage Competition Air Filter

The Uni Filter NU-4010 Multi-Stage Competition Air Filter delivers superior filtration and performance for powersports applications. Designed as a direct replacement for your factory air box filter, this competition-grade foam filter utilizes Uni's revolutionary two-stage filtration technology to provide maximum engine protection in the harshest conditions.

Two-Stage Filtration Technology:

• Outer coarse foam layer captures large dirt particles and debris
• Inner fine foam layer traps smaller micron-sized contaminants
• Prevents surface loading for consistent airflow throughout service life
• Superior dirt-holding capacity compared to paper filters

Key Features:

• Constructed from premium polyurethane foam for exceptional filtration
• Designed to fit factory air box exactly like the original filter
• Washable and reusable for long-term cost savings
• Maintains excellent airflow even as filter loads with dirt
• Easy to clean with Uni Filter cleaning solutions
• Must be properly oiled before installation for optimal performance

Trusted by professional racers and serious enthusiasts for decades, Uni Filter competition air filters deliver the engine protection and performance you need for off-road riding, racing, and demanding conditions. Each filter is precision-engineered to exact OEM specifications for a perfect fit and seal.