For BL-FU220A Compatible Projector Lamp with Housing for Optoma Hd6800 Hd72 Hd72i Hd73 Projector by Mogobe Part number: BL-FU220A For Optoma Hd6800 Hd72 Hd72i Hd73 Projector 30 days refund & 180 days replacement Mogobe is responsible for all the item descriptions and warranty.