Bridgelux Modular Passive LED Cooler Cool-LED Simpo-BRI-8150 Φ81mm Features VS Benefits Simpo cooler Bridgelux LED arrays Luminaire cooling performance 900 to 3,000 lumen Diameter 81mm - Height 50mm - Thermal resistance Rth 1.9°C/W Validated thermal design for ES Star Array, Vero10,Vero 13, ES Star array with direct mounting For V6, V8,V15 with LED holder For ES Rectangle array Direct mounting on the LED cooler or with Zhaga Book 3 LED holder Model No. Simpo-BRI-8150 Size Φ81xH50mm Material 6063-T5 Finish Black Anodized Weight(gr) 318 Thermal Wattage 26.5W HeatsinkΘs-a2 94517 Heat Sink T Rise Above Ambient 1.9