Bulb size is 56*56mm. Bulb Only (nacked bulb) without module (case).
UHP 280/245W 1.1 E21.7 and UHP 300/250W 1.1 E21.7 both the same bulb. I will
send it randomly.
Beware, it can not instead of E21.8, If you can not confirm if your projector
use this bulb, feel free to ask.
I can send by DHL($20-$25) or e-Packet($5-$6) for your freight choose.