QH500T3 Double Ended Heat Lamp Bulb: Description: - Voltage 120 - Wattage 500 - Base L6 - Shape T3 - Overall Length (mm) 221 - Life Hours 5000 - Color TRANSLUCENT - Filament C-8 - Manufacturer: Osram-Sylvania Light Bulb Cross References (Also known as) * H/120V/500W/R7S/T3/IR/FR * QH/500/T3 * QH/500/T3/R7S/FR/120V * QH/500T3 * QH/500W/T3/R7S/FR/120V * QH500T3 QH500T3 Double Ended Heat Lamp Bulb