7artisans Photoelectric 72mm CPL Filter CPL-72MM B&H Photo Video
X4 CPL – Breakthrough Filters
Amazon.com : K&F Concept 72mm Circular Polarizers Filter & MC UV Protection Filter Kit (2 pcs) with Up & Down Lens Cap, 28 Multi-Layer Coatings HD CPL/UV Filter Set for Camera Lens (
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Nikon Circular Polarizer II Filter (72mm) 2257 B&H Photo Video