The cotton sports air filter is installed in the airbox to replace the air filter. It is produced with high-performance materials that allow an increase in the air flow to the engine compared to the paper or sponge air filter, while guaranteeing superior filtration efficiency: thanks to the combination of the different oiled layers, the containment of impuritiesThe particular rubber used in filtration systems is practically non-deformable over time and has excellent adhesion characteristics to any form of airbox.air filters consist of a multi-layer cotton fabric soaked in low viscosity oil, sandwiched between two aluminum reticulated structures. Aluminum nets are treated with epoxy resin to protect them from oxidation caused by fuel vapors and humidity in the air.air filters are washable and regenerable using the special washing kit, allowing you to save on periodic filter replacement.FOR 1000 RR-R 2020 2021FOR 1000 RR-R SP 2020 2021Colour:As ShownMaterial:Rubber+ABSPackage Contents:1x Air FilterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.