AEM has came out with new covers for AEM DryFlow  Filters. AEM DryFlow Pre-Filters are made from durable micro-screen material and treated with a proprietary hydrophobic is designed not to allow water or dirt to get into your filter. These filters are great for use in harsh dusty environments. by keeping much of the dust and larger particles from the vehicles air filter an AEM pre-filter will help add time between actual cleaning buy keeping particles out of the dry filters.. thus extending time in between cleaning times.Each of these DryFlow Pre-filters comes with a yellow printed AEM logo. Each one is also made to fit a specific sized filter. There are more than 600 AEM air filters and air intakes that use one of these six Pre-Filters as an accessory.