NiSi Nano IRND Filter (4 x 5.65", 2-Stop) NiSi Nano IRND Filter (4 x 5.65", 3-Stop) NiSi Nano IRND Filter (4 x 5.65", 4-Stop) NiSi Nano IRND Filter (4 x 5.65", 5-Stop) NiSi 4 x 5.65" Allure Mist Black Cinema 1/8 Filter NiSi 4 x 5.65" Pure Clear Filter NiSi 4 x 5.65" Linear Polarizer Filter NiSi Cinema Filter Pouch for Seven 4 x 4" or 4 x 5.65" Filters