HP L1709A 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: L1709ACompatible Projectors Models: HP VP6111 HP VP6121 Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)