Don't let your Pro-Flo 1000 Series air cleaner lose its performance edge. Replace the worn-out, dirty element with one of Edelbrock's Pro-Flo 1000 Series air filter elements. The elements are direct replacements and require no modifications to install. They have minimum flow restriction while retaining excellent filtering ability. Their exclusive low-maintenance urethane foam design is easy to clean with soap and water, and is simple to install.