Amazon.com: IET Lamps - for DELL 4210X Projector Lamp Replacement Assembly with Genuine Original OEM Philips UHP Bulb Inside : Electronics
Amazon.com: 331-2839/317-1135/725-10134/725-10284 Replacement Lamp Special Upgraded Design Bare Bulb Inside with Housing for Dell 4220 4320 4210X 4310WX 4610X Projector by WiseGear : Electronics
Amazon.com: Artki 4210X Replacement Lamp for Dell 4210X 4310WX 4610X Projector with Housing : Electronics