Polaroid 72mm IR720 Infrared Filter PLFILIR72072 B&H Photo Video
Neewer 4 Pieces 67MM Infrared X-Ray IR Filter Set: IR720, IR760, IR850, IR950 with Filter Carrying Pouch For CANON EOS Rebel T5i T4i T2i /EOS 700D 650D 550D DSLR Camera | Neewer
Opteka Infrared Filter [X-Ray Effect] – IR720 Removes Most Visible Light Below & Above 720nm Wavelength for Compatible with All Popular 67mm Camera Lens Models - Walmart.com
Pentax Q7 with Polaroid IR720 Filter: Pentax Compact Camera Talk Forum: Digital Photography Review