Amazon.com: Genuine OEM Replacement Lamp for BenQ MS504, MS504A, MS514H, MS517H, MS521P, MS522P Projector - IET Lamps with One Year Warranty (Power by Philips) : Electronics
BenQ MS504 | DisplaySolutionWorks.com
NEW CB PROJECTOR LAMP BULB FOR BENQ MS504 MX661 MX815ST MX816ST MX701 MX514PB | eBay
Original Philips Projector Lamp Replacement for BenQ MS504 (Bulb Only) - Walmart.com
Benq MS504 Projector Lamp with Module - MyProjectorLamps USA