Air Intake Filter - 4 Filter Layers

...polyurethane on all sides, the filter withstands high engine temperatures. Two layers of randomly porous, synthetic fabric lie between two layers of progressively finer, medical-grade cotton gauze to block 99.2...

...polyurethane on all sides, the filter withstands high engine temperatures. Two layers of randomly porous, synthetic fabric lie between two layers of progressively finer, medical-grade cotton gauze to block 99.2...

...polyurethane on all sides, the filter withstands high engine temperatures. Two layers of randomly porous, synthetic fabric lie between two layers of progressively finer, medical-grade cotton gauze to block 99.2...