Lumicon 2 Inch Gen3 Oxygen III Filter (2nd Quality)New Improved Generation 3 Lumicon 2 inch Oxygen III Filter Some of our filters don't make the cut to be sold in our premium line, however they are still excellent by normal standards and we are offering them here at a discount. Please keep in mind that even though we have "rejected" these filters they still exceed industry standard for optical filters. Have confidence that these filters will still produce the same high quality images as our other