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Fotodiox Pro 145mm Slim Circular Polarizer (CPL) Filter - Pro1 CPL Filter (works with WonderPana

Premium Grade Optical Glass Filter
145mm x 1mm Standard Thread both in the front and rear
Premium Grade Anodized Aluminum Filter Ring
Other 145mm Available Filters include CPL ND4 ND8 ND16 ND32 Filters
24 Month Manufacturer Warranty