Osram Sirius HRI 440W S Moving Head Lamp for the PR LIGHTING XR 440 Beam For Use In: PR LIGHTING XR 440 Beam, Aiweidi A-2470, Aiweidi A-2470BS, CHAUVET Professional Maverick MK1 Hybrid, Cindy PRO-20R, CY Lighting EAGLE-470, Fine Art FINE 440 BEAM...