Bridgelux Modular Passive LED Cooler EtraLED-BRI-7050 Φ70mm Features VS Benefits Etra LED cooler for Bridgelux LED arrays Luminaire cooling performance 800 to 2,700 lumen Diameter 70mm - Height 50mm - Thermal resistance Rth 2.1°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-7050 Size Φ70xH50mm Material 6063-T5 Finish Black Anodized Thermal Wattage 22.9W HeatsinkΘs-a2 76913.2 Heat Sink T Rise Above Ambient 2.1