Home Cartridge Halcyon .5mL Cartridge Halcyon .5mL Cartridge This product is currently out of stock and unavailable. SKU: N/A Category: Cartridge Additional information Flavor Pain, Arousal, Energy, Focus Related products Pinweel 2mL Cartridge CartridgeRead more Hidden Hills 2ml Cartridge CartridgeRead more Half Baked 2mL Cartridge CartridgeRead more Mellow Fellow 1mL Cartridge CartridgeRead more