MH/PC hood question

[rickap7]

Does anyone know where I can find a bare aluminum hood/canopy so I can add my own MH and PC lighting which I already have?
I cann't seem to locate just a hood. It needs to be 36 inches long.
Please help.

 

[captained]

<a href="http://www.championlighting.com" target="_blank">http://www.championlighting.com</a> carries a lot of lighting accessories.