Brand: Panasonic, Model: ET-LAD510F, Product Type: Projector lamp, Type: UHM, Capacity: 465 Watt, Life Cycle: 2000 hour(s), Designed For: P/N: PT-DS20KU, PT-DW17KU, PT-DZ21KU, Warranty: 01 Year Limited Warranty The Panasonic ET-LAD510F Replacement Lamp (Set of 4 Bulbs) is designed.