• Dirt, sand, and other elements bounce off the pre-filter instead of clogging the filter
• Each pre-filter fits a specific OTR Performance Filter
OTR Performance 14" X 4" Pre-Filter Fits R10522
OTR Performance 14" X 5" Pre-Filter Fits R10523
OTR Performance 14" X 4" Pre-Filter Fits R10501
OTR Performance 14" X 5" Pre-Filter Fits R10502
