The guy selling the cases of F15T12D Westinghouse lamps still has a good bit more as does the seller selling cases (24) of DuroTest Vitalites made by Sylvania, which likely are nothing more than Design50 lamps. I have some REAL Vitalites and they don't match. The Sylvania made Vitalites match GE's Chroma50 and Phillips Colortone50.