Pair of H1 upgrade bulbs offers up to 50% extra light than standard halogen bulbs. Emarked and fully road legal. Up to 50% more light on the road. 20 metres longer beam. Better reflections from road signs. UV resistant Cut Quartz safe to use with plastic lenses. Optimises colour temperature to give deep white light. Interchangeable upgrade with existing lamps. Fully Road Legal

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