Kentrak White Track Lighting Head - H Halo Type -65W to 75W - LiForm L Series Product For Halo H Type Single Circuit Track - White BR30 65W Max or R30 75W Max Canister: 6.5" Long, 4" Inner Diameter, 4.3" Outer Diameter, 2" Neck Mfg by Kentrak (Kenroy International) for Liform Lite's "L Series" Cylindrical Shape with Flat Back & Black Baffle Insert