Description RED STARFISH A-220 FEATURES: ♦ Macroalgae barrel with patented design. ♦ Layered chambers design for easier operation ♦ Configured with professional light source for the growth of macroalgae. ♦ Pipeless outlet design and compact size. ♦ Wrapped with lens hood to avoid light pollution while enhancing the light efficiency. ♦ Transparent body for convenient to observe the growth of macroalgae.