Reflectsun Horizontal Parabolic Reflector helps in providing more lumens. It is made in an umbrella like shape which provides for a large coverage area even when placed close to plants!

Reflectsun Vertical Parabolic Reflector is a wide angle umbrella shape. The vertical bulb allows the heat to spread out better than a horizontal bulb, which in means, you are able to have the shade & bulb closer to your plants.