Buy on Amazon : http://www.amazon.com/gp/product/B004RYM2HE?tag=catfoodrevi0a-20

Barn Door Set with 10 Gel Filters and Honeycomb Grid for 7 to 8 inch Reflector Ideal for Alienbees

Adjustable to fit virtually all brands of reflector from 7 to 8 diameter
4 leaf metal Barn door
Includes 10 x metal framed color gel filters
Includes 40 6mm metal honeycomb grid
OEC Brand