Fram PH-5 or equivalent. And any of you Fram haters, don't bother. I change too oftern to worry about it and i've never had a problem with one. I know there is better filters, but at 25hr intervals I dont feel the need to spend the xtra $.
Art is correct. The Fram PH-5 I mentioned earlier is the long version. Mine goes in my V210 without much effeort at all, and you always want to choose the bigger filter when you have room. Bigger filter = bigger filtering capability.