eWorldlamp SMARTBOARD 20-01032-20 20-01032-21 Projector Lamp Bulb with housing Replacement for SMARTBOARD 600i3 UNIFI55 600i4 680i Gen 3 680i3 UNIFI55 880i4 885i4 D600i4 SB660 SB680 SB680i3 SB685 SBD660 SBD680 SBD685 SBX880i4 SBX885i4 UF55 UF55W UF65W SBP-10X SBP-20W ST230i UF65 ST230i UNIFI 55 600I UNIFI 55 55W Unifi 55;