replaces: American Ultraviolet A2400, CE-15-2H, CE-5-H, GML210, SM-15-H, UFA-15-H, WM-15-H, Aquanetics 15IL, 15SPT, ALA-15, Aquanetics 15, PQ15IL, PW30ILD, Q15IL, Q15ILHP, Q15SPT, Q30ILD, Coral Life 15 Watt, Eiko G15T8, Fish Mate 15 Watt, Gamma Current - USA 15 watt, UV 1411, General Electric 11078, G15T8, Hawaiian Marine AN-15, Ionic Breeze Ionic Breeze Floor Model GP, Professional Series, Osram Sylvania G15T8, Philips Lighting 308643, TUV15T8, Purely UV Products PUVLB515, Sharper Image Ionic Breeze Floor Model GP, Professional Series, Spectronics BLE-1T155,Tropical Marine Center - Vecton UV Pond Clear Advantage UV15, Ushio 3000007, G15T8 The lamp is 15 watts, 436 mm in length and has bi-pins at both ends, rated effective life 10,000 hrs., change once a year.