Amazon.com : B + W 77mm Infrared Filter # 093 (87C) : Camera Lens Infrared Filters : Electronics
Amazon.com : Cokin Square Filter Infrared Creative Kit - Includes M (P) Series Filter Holder, Infrared 720 89B (P007) : Electronics
Amazon.com : 6 in 1 Infrared IR Pass X-Ray Lens Filter, Adjustable 530nm to 750nm Screw-in Filter for Canon Nikon Sony Panasonic Fuji Kodak DSLR Camera (46mm) : Electronics
Amazon.com : Fotga 77mm Six-in-One Adjustable Infrared IR Pass X-Ray Lens Filter 530nm to 650nm 680nm 720nm 750nm : Electronics
Amazon.com: Tosuny IR Cut Filter, CS Lens Mount Holder IRC Dual Filter Day Night Switch, Full Spectrum Glass, Suitable for CCTV IP HD Camera : Pet Supplies