Curved Orange Barrier Filter For use with Laser Size:67 mm SIRCHIE®'s PrintMatic™ Fingerprint Taking Outfits P 2437 SIRCHIE®'s PrintMatic™ Fingerprint Taking Outfits may be placed on any desk or table to achieve regulation height for rolling and recording fingerprints The flood light immediately illuminates every corner of a dark alleyway This filter has a curved design that renders more ridge detail than a standard orange barrier filter when taking photographs with green lasers and other alternate light sources in the UV 550nm range This Long Pass Filter blocks outside laser ALS light and passes longer wavelengths emitted from trace evidence samples