LSE Lighting 2 Pack Lamps for Trojan Max C D D4 Systems 602805 Brand: LSE Lighting - Pack of 2 Bulbs Wattage: 43W - SuperLife - 12,000hrs Length Approx: 15 1/2" (391mm) This UV Lamp by LSE Lighting Brand is 100% compatible for use with Trojan IHS12-D4 (602805) All lamps listed are compatible brand UV products. We do not sell Trojan brand lamps. All Trojan brand names, trademarks and logos are property of Trojan.