Injen Repellant Pre-Filter Fits X-1010 X-1011 X-1017 X-1020 5in Base/5in/4in Top

Repellant Pre-Filter fits X-1010, X-1011, X-1017, X-1020 5" Base / 5" / 4" Top Injen Technology's Hydroshield are designed to enhance the efficiency of any air filter, including Injen's SuperNano-Web and our 8-Layer oiled cotton gauze air filters. Injen's Hydroshield is constructed from a proprietary base media and then treated with a hydrophobic water-repellent. Our Hydroshield is UV resistant, can stop contaminants down to.005", is puncture resistant, and has elasticity characteristics which helps the Hydroshield to return to the original shape/position after servicing., Injen's Hydroshields are engineered to divert damaging contaminants, which can clog your air filter and compromise peak air-flow and horsepower output. Injen's Hydroshield also extends the time between servicing intervals, reducing costs and improving the overall user experience. Red Hydroshield - Red Pre-Filter.