These Pre-filters are designed to deflect the damaging debris, which can prematurely clog air filters, compromising peak air-flow and horsepower. The Pre-filter also extends the time between servicing intervals for your primary air filter media reducing costs and increasing convenience.

• Compatible with WCF100717 4″ Air Filter and WCF100719 5″ Air Filters
• Enhances the efficiency of performance / exposed air filters
• Hydrophobic water-repellent treatment
• UV resistant
• Filters debris down to .005”
• Resistant to heat up to 450 degrees F
• Puncture resistant