Toshiba TLP-LV4 Projector Lamp Replacement Northstar AV sells OEM (Original Equipment Manufacturer) Lamps - Philips, Osram/Sylvania & SHP brand lamps inside of OEM spec housings. We DO NOT sell generic or compatible replacement lamps. Projector Lamp Model: TLP-LV4 Compatible Projectors Models: TDP-S20, TDP-S20B, TDP-S20U, TDP-S21, TDP-S21B, TDP-SW20, TDP-SW20U Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)