Rayovac Heavy Duty PR2 Flashlight Bulbs for 2 Cell D Size Vintage Blue Box Retro Rayovac Heavy Duty pretested flashlight bulbs come in a vintage-style blue box, designed specifically for 2-cell D size flashlights. These PR2 model bulbs feature a flange base and are pretested to ensure reliable performance for emergency lighting or general use. The pack contains multiple replacement bulbs, perfect for keeping on hand in a workshop, garage, or emergency kit. Keywords: Vintage, Flashlight, Replacement, PR2, Rayovac, D-Cell, Heavy Duty, Lighting, Hardware, Tool, Emergency, Retro, Bulb Pack, Industrial, Utility #Retro