The LH1030 is a genuine Leviton 26725-419 is a 26, 32 and 42w 4 pin quad CFL and LED lampholder/socket. It is indexed for G24q-3 and G24q-4 base quad tube CFL and LED bulbs. The Leviton 26725-419 socket has a 4-hole base for vertical mounting and quick connects for quick wiring. The Leviton 26725-419 is similar or equal to the Edwin Gaynor 285-Q3, 285-Q4, Etlin Daniels CFG24Q-3/4-TL and Satco 90-1551 among others. It will fit all 26w, 32w and 42w Phillips PLC and CFL's, Sylvania D/E CFl's and GE Biax bulbs. Also any LED bulbs with a G24q-3 or G24q-4 base.