This cylinder is only suitable as a replacement for 'Baden-Baden BB2' lights from Dahlhaus. In most cases, the replacement cylinder will not fit in lights from other manufacturers. If you would like to use this cylinder as a replacement for lights from other manufacturers, we ask you to contact us by phone, e-mail or the contact form before placing your order. If the replacement cylinder is not ordered for lights from Dahlhaus, there is no refund policy.