AuraBeam Rear Projection Replacement Lamp for Mitsubishi WD-73640 TV with Housing Aurabeam Economy solutions ensures you are getting a High Quality replacement lamp with housing. Our Economic line is an affordable option for the low use consumer, designed to ensure the best quality on a low budget Easy installation with housing included, minimizes installation time to make sure your device is back in action! Long lasting lamp with up to 3000 hours in Economy Mode and Fast Shipping No risk, Aurabeam Ecomony lamps with housing come with a 30 day refund warranty or a 90 day replacement warranty