Parker Racor corners the market on superior filtration products for diesel and biodiesel fuels. They understand the challenges that exist and have designed the highest-grade solutions. All of Racor's filter materials and seals are completely compatible with B2 to B20 biodiesel and ultra-low sulphur diesel fuels. These products are corrosion-resistant and seals and hoses are made of the highest quality synthetic rubber compounds, keeping you working efficiently.