Denali TriOptic Amber Lens Kit for Denali D3 Driving LightsThis TriOptic Lens Kit for D3 driving lights is designed to maximize visibility in foggy and rainy conditions. Both Amber and Selective Yellow lens colors increase visibility in fog and rain by blocking blue frequencies from the light, which reflect off water vapor and decrease vision. Choose amber to match your OEM turn signals or Selective Yellow for even more daytime visibility to oncoming traffic. The kit includes two spot lenses and two True