If you go to the "Eimac" web page - Eimac is now a line made by CPI - www.cpii.com/product.cfm/9/22/75 you see the 4CX250B/7203 4CX250BM/7203A 4CX250BC/8957 4CX250FG/8621 and 4CX250R/7680W are all still listed in the catalog.