Pureglare BL-FU220A,EC.J2701.001,SP.83F01G.001 Projector Lamp for Acer,optoma HD6800,HD72,HD72i,HD73,PD523PD,PD525PD,PD525PW,PD527D,PD527W Ampac Audio-Video is the only authorized seller of PureGlare lamps. ?Look for Ampac Audio-Video to ensure you're buying an authentic PureGlare Lamp.? PureGlare Compatible Lamp with 150 days warranty