Optoma BL-FU185A 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: BL-FU185ACompatible Projectors Models: Optoma DS316 Optoma DS316L Optoma DW318 Optoma DX319 Optoma ES526 Optoma EX531 Optoma EX531P Optoma EX536 Optoma HD66 Optoma HD67 Optoma PRO350W Optoma TS526 Optoma TX536 Average Lamp Hours: 2000-3000 Hours Warranty: 180 Day Warranty (From Date of Install)