This high-quality projector lamp by Apollo is the perfect replacement for your old bulb. With a voltage of 24V and power of 275w, it is compatible with various brands like 3M, sinon, Bell + Howell, Buhl, and Dukane. Designed for movie projectors, this lamp bulb ensures bright and clear projection for an excellent viewing experience. Use it for slide and movie projection or film photography. It is a reliable and durable choice for your projector needs.