Hi Ten Tekkies, (Sorry, no input on contact cleaners :-)) I am looking for the 2.4 filter model 220 that, among others, fits an Argosy rig. Regards, Ken K5ID in the hills of Arkansas -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm