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Philips Rally H4 Headlight Bulb (130/100W, 2 Bulbs) (GEN_Ubra_35)
Philips Rally H4 Headlight Bulb (130/100W, 2 Bulbs) (GEN_Ubra_35)
Philips moto lamps are made of high-quality quartz glass: UV-Quartz glass is stronger than hard glass and highly resistant to temperature extremes and vibrations, which eliminates 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 of increased pressure inside the lamp, UV-quartz glass is able to produce more powerful light.