Philips Halogen Energy Advantage IR PAR Lamps combine visual appeal with energy savings and long life. These lamps provide high quality light that bring out textures in clothes and linens. Energy Advantage IR 55W 120V PAR38 DiOptic FL 25D. Base: Medium Skirted [Skirted Medium Screw (PAR Lamps)] - Base Information: Brass [Brass Base] - Bulb: PAR38 DiOptic - Bulb Material: Hard Glass - Bulb Finish: Clear - Reflector Finish: Aluminized - Filament Shape: CC-8 [Axial] - Operating Position: Universal [Any or Universal (U)] - Main Application: Flood and Ambient Lighting - Atmosphere: Gas - RatedAvgLife(See Family Notes): 4200 hr - Initial lumen: 1100 Lm - Color Rendering Index: 100 Ra8