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: Husqvarna TC50 2017-2021 TC50 MINI 2018-2021 KTM 50 SX 2009-2022 50 SX FACTORY EDITION 2021 50 SX MINI 2009-2021 50 SX PRO JUNIOR 2009