Hi All; Anyone interested in these 4 filters from an R-390A? I also have a few smaller knobs & one big one. Thanks es 73....Rich WA2RQY (1961) WA2RQY's "confusion Radio" Web-Page Http://members.aol.com/rlucch2098/index.html Ol' Stuff Web-Page http://myradioroom.com RLUCCH2098 at aol.com "Keep those heaters on"