Putoline Oil is a Dutch manufacturer and supplier of high-quality oils and lubricants developed specifically for motorcycles, scooters and quads, making Putoline unique. Almost 50 years of experience and continual research allows Putoline to provide cutting edge products. Manufacturing their own products guarantees consistently high-quality motorcycle oils. Putoline Oil, Driven by Technology! Putoline air filters, based on leading-edge open-cell foam technology, bring users major benefits, including: Improved performance through increased airflow Improved protection through finer filtration levels Substantial cost savings through serviceability and re-use Fully reticulated (open cell) foam, as used in all Putoline filter products, consists of a honeycomb of tiny, interlocking cells of uniform size. Fits: BETA RR250 2T 2013-2019 RR250 Racing 2T 2017-2021 RR300 2T 2013-2019 RR300 Racing 2T 2017-2021 RR350 4T 2013-2015 2017-2019 RR350 Racing 4T 2017-2021 RR390 4T 2015-2019 RR400 4T 2013-2014 RR430 4T 2015-2019 RR430 Racing 4T 2017-2018 RR450 4T 2013-2014 RR480 4T 2015-2019 RR480 Racing 4T 2017-2021 RR498 4T 2014 X-Trainer 250 2018