NiSi 6.6 x 6.6" Nano IRND 1.8 Filter NANO IR ND 1.8 6.6X6.6 - Product photo NiSi, 6.6, x, 6.6, Nano, IRND, 1.8, Filter, NANO, IR, ND, 1.8, 6.6X6.6 Click the picture to close this window