“Ultra High Efficiency” version
Maximum Diameter: 1.187 in. / 30.150 mm.
Maximum Height: 1.250 in. / 31.750 mm.
Compatibility: This cap is drilled to 0.252 inches inside diameter (6.41 mm) , and fits a .25 inch post. Fits the factory-supplied anode terminal on tubes such as the 4-1000A , 3-1000Z, 4PR-1000A, and 833.
Mounting: With our plate cap # 2, you simply REMOVE the factory cap, and install the super efficient plate cap # 2 DIRECTLY on the metal post protruding from the glass at the top of the tube. This post is directly attached to the internal plate structure of the tube, and heat transfer / heat dissipation is GREATLY increased!