Model ID: SPX591H This Hayward Pool Products OEM Item SPX591H is used in the following: Hayward Pool Products Hayward Astrolite II, SP590S, SP590HS Sta Rite Sta-Rite / Hydrel Sunlite Light, Models 4800, 6800 American Products American Products / Pentair Aqualight Halogen
We also offer a White and Color LED Version for this replacement bulb
