Rain Sock for Monster Suckers®Rain sock's for Monster Sucker 90 intakes will prevent water from getting to your filter and into the engine. Each pre filter has been engineered to add an extra layer of protection from water and other debris without restricting airflow Tapered Design Specially Designed For Monster Sucker Intakes Made In The USA 100% Monofilament Polyester w Water Repellent Finish Hydrophobic Technology Repels Water in All Weather Conditions Designed For Standard