Stretches over complete air cleaner for quick and easy roadside installation (no tools required) Helps to prevent water from entering your engine when riding in wet conditions Uniform micron openings allow air in while keeping debris and water out Compatible with all RSD Venturi and Turbine air cleaner assemblies Hydrophobic manufacturing process repels water Filters out larger particles of debris down to .005" Made in the U.S.A.. RAIN SOCK F/RSD A/C KITS