Filters for 5° secondary optics
SFI619	2° filter designed to soften the edge of the flow, black finish
SFI611	5° filter, black finish
SFI612	10°filter, black finish
SFI613	20° filter, black finish
SFI617	1° x 90° filter, black finish

Filters for 15° secondary optics
SFI689	2° filter designed to soften the edge of the flow, black finish
SFI681	5° filter, black finish
SFI682	10°filter, black finish
SFI683	20° filter, black finish
SFI687	1° x 90° filter, black finish