Quantum Board ® QB 288 V2 Bspec are made USA by Horticulture Lighting Group. Each board has 272 highest flux and lowest voltage bin Full Spectrum LM301H LED and 16 470nm Blue LED to enhance spectrum for unbeatable veg performance.
No Thermal Interface Material or paste is required.
Requires an Aluminum plate or heatsink if running 70+ watts. Heatsink requirements depends on application and power.