<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Dewi2005:
the media in the filter breaks down over time once exposed to the oil. So, yes they do have expiration dates..
By using the 6-month filter your filter will remain operational for the full 6 months, and today with the improved oils such as Amsoil that can go a year or 25k miles, the need for the filter to last is more important than ever. </div></BLOCKQUOTE>They break down over time like the oil does
