Amazon.com: CTLAMP Original EST-P1-LAMP ESTP1 Projector Lamp with Genuine OEM Bulb Inside with Housing Compatible with Promethean EST-P1 : Electronics
PROJECTOR LAMP/BULB FOR PROMETHEAN EST-P1/UST-P1 /UST-P1C/UST-P1V1/UST-P1CV1/UST-P1G/EST-P1C/EST-P1V1/EST-P1V2/EST-P1CV1/P1CV2 - AliExpress
Amazon.com: Genuine OEM Replacement Lamp for Promethean EST-P1 Projector - IET Lamps with One Year Warranty (Power by Osram) (Power by Philips) : Electronics