Boss Bearing Hiflo Foam Air Filter HFF4021 for Yamaha

HFF4021 HiFlo Filtro High Performance Air Filter
Why Hiflo?
Providing unbeatable performance and exceptional value, Hiflofiltro is the best-selling brand of aftermarket filters for motorcycles, scooters, and ATVs worldwide.
Materials
To achieve their quality aims and to ensure the consistency of their products, they use only premium materials from well-known manufacturers.
Production
The Hiflofiltro-Thai Yang Kitpaisan factory was founded in 1955 and has been manufacturing filters for the OEM motor industry since 1963. With the experience of more than four decades, continuous research and development and modern production facilities, they manufacture some of the best quality filters in the world.
Quality Control
Every Air filter goes through 16 individual quality control checks before it is ready to leave the factory. The whole manufacturing process, including the checking of raw materials, individual filter testing, is regularly audited and verified independently. Note: Please review product image for accurate representation of product contents.