PRO FILTER Premium Air Filter is made of chemical resistant, high quality polyester based foam. Dual-stage design allows for superior filtration by eliminating the passage of fine dust and dirt, while helping to prevent air flow blockage. Special reticulation process offers unsurpassed air- flow and filtration. Industrial strength, resin bonded seams increase the integrity of the air filters wash after wash. Packaged individually in a re-sealable bag.Features: Chemical resistant, polyester based foam Dual stage, reticulated foam High strength industrial seams Reusable Rubber grommet Designed To Fit: 2021 Honda CRF450R 2021 Honda CRF450R W.E. 2021 Honda CRF450RX 2022 Honda CRF250R 2022 Honda CRF250RX 2022 Honda CRF450R 2022 Honda CRF450R W.E. 2022 Honda CRF450RX 2023 Honda CRF250R 2023 Honda CRF250RX 2023 Honda CRF450R 2023 Honda CRF450R W.E. 2023 Honda CRF450RX 2024 Honda CRF250R 2024 Honda CRF250RX 2024 Honda CRF450R 2024 Honda CRF450R W.E. 2024 Honda CRF450RXManufacturer Part Number: MTX-1003-05