Highly recommended in dirty environments. Keep your Ram-Air Filter protected from large debris, bugs, mud, etc... Built from a breathable material, the Banks Pre-Filter simply goes over your air filter and provides additional protection and can even extend cleaning intervals. Works with both Dry and Oiled filters. Banks pre-filter wraps are designed to work with your Ram-Air intake system and are constructed from a polyester mesh with uniform micron openings. It improves the filtering of larger debris and dirt by preventing them from getting embedded into the filter. This allows your your Banks Ram-Air to breathe easier for longer by increasing the time between services. Its hydrophobic surface has been treated to repel water and improve performance in humid or wet environments. The pre-filter is able to resist heat up to 400 degrees Fahrenheit and will not shatter in freezing temperatures. Key Features: Hydrophobic to repel water and moisture. Prevents large debris clogging filter pleats. Reduces service intervals. Cleanable and reusable. Extends filter life. Guard your Ram-Air filter with an extra layer of protection from Banks prefilters. Stitched from breathable materials, these prefilters not only keep your Ram-Air filter cleaner, but they also extend cleaning intervals. They are easily installed--simply slip them on and they provide your rig with cleaner air to breathe! Cleaner air equals more power, so before the debris and dust gets to your filter, put an extra guard on duty--Banks prefilters--and maintain your Ram-Air superiority!. Pre-Filter, Filter Wrap for use with Banks Ram-Air Cold-Air Intake Systems for 2003-2012 Dodge Ram 2500/3500 5.9L/6.7L Cummins, for Air Filter PN 42148,4218-D, 42178 and 42178-D. Banks Pre-Filter-Air Filter; PN 42148 and 42178. Protects filter from large debris & mud. Banks Power Pre-Filter (for PN 42148). Cold Air Intakes. Easily Installed. Air Filter Wrap. Pre-Filter

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