Polarizer CPL Filter 72mm FOR Canon XL1, XL2 NEW Camera Camcorder from US Seller | eBay
Mettzchrom Cpl Filter 37 43 46 40.5mm 49 52 55 58mm 62 67mm 72mm 77 82 Circular Polarizer Polarizing Filter For Canon Nikon Sony - Camera Filters - AliExpress
Amazon.com : JJC Metal Lens Filter Stack Cap Filter Protective Case for 72mm Ultraviolet UV Filter Circular Polarizer CPL Filter Neutral Density ND Filter and More Filters in 72mm Thread Size,Upgraded Slim
B+W 72mm Circular Polarizer MRC Filter 66-044843 B&H Photo Video
ZEISS 72mm Carl ZEISS T* Circular Polarizer Filter 1856-338 B&H
Amazon.com : JJC Professional 72mm Circular Polarizer Filter HD 18-Layer CPL Filter for Sigma 18-35mm f1.8, Nikon Z 24-70mm f4 S, Sony FE 16-35mm f4, Canon EF 35mm f1.4L II & Other