Mitsubishi WD57731 Rear Projector TV Assembly with OEM Bulb and Original Housing Mitsubishi WD57731 replacement lamp with Genuine OEM Philips UHP Bulb and Housing Philips Genuine Lamp Assembly shipped in Philips Trademark Retail Box Original Philips Housing and bulb for Mitsubishi WD57731 Genuine Philips UHP bulb inside BulbAmerica is a CERTIFIED Philips Partner and only ships Original Philips Cage and Philips UHP bulb