Projector Lamp 21 279 / SP-LAMP-012 for A+K AstroBeam X320 / ASK C410, C420 / INFOCUS LP815, LP820, DP8200X / PROXIMA DP8200, DP8200X, DP8000 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