Bridgelux Modular Passive LED Cooler EtraLED-BRI-7080 Φ70mm Features VS Benefits Etra LED cooler for Bridgelux LED arrays Luminaire cooling performance 1,000 to 3,300 lumen Diameter 70mm - Height 80mm - Thermal resistance Rth 1.75°C/W Validated thermal design for Bridgelux Vero 10, Vero 13, Vero 18, V-series V8, ES Star, ES Rectangle LED arrays Direct mounting on the LED cooler or with Zhaga Book 3 LED holder Model No. EtraLED-BRI-7080 Size Φ70xH80mm Material 6063-T5 Finish Black Anodized Thermal Wattage 28.1W HeatsinkΘs-a2 121334 Heat Sink T Rise Above Ambient 1.75