Germicidal UV Lamp replaces Aprilaire Lamp 1910, 1930, 90, 87N77, 1076R, Aqua Ultraviolet 57 Watt, Lennox 87N77, Purely UV Products PUVLF43H, Aqua Ultraviolet 57W, Savio UVinex SUV057, Second Wind Air 1002KCS, 1076, 2000, 2018, 8000, 9000, four-pin it is 48 watts, 436 mm in length, , four-pin
