CrystalVision Car Headlight Bulbs - H4 Product Code: 12342CVSL Drive with style - Philips CrystalVision halogen headlamp upgrades the style of your car with 4300K bright white light. With the blue coating and silver top design, CrystalVision is offering bright white headlight of 4300K to see and to be seen, for both city and country driving. Bright white colour match effect for high end look. Philips car lamps are made of high-quality quartz glass. UV-Quartz glass is stronger than hard glass and highly resistant to temperature extremes and vibrations, eliminating the risk of explosion. Philips quartz-glass lamps (filament 2 650o C and glass 800o C) are able to withstand severe thermal shock. With the capability to withhold increased pressure inside the lamp, UV-quartz glass is able to produce more powerful lighting. ^Application varies per bulb type. Philips car lamps are highly UV resistant. Philips special anti-UV coating technology protects the headlights against harmful ultraviolet radiation, making Philips UV-coated quartz glass perfect for all driving conditions and ensures their longevity Supplied with two colour matching T10 LED position lamps. CrystalVision gives your car lights the premium look of high end cars. ​​​​​​​​​​​​​​ *If you touch the bulb with your fingers, the salts and oils from your skin will damage the bulb and cause the heat to concentrate. This can significantly reduce the life of the bulb or even worse cause it to shatter and fail.