The Ilford Multigrade Filters are a set of 12 filters ranging from 00 through 5, each measuring 3 1/2 inches x 3 1/2 inches. Made by the renowned brand Ilford in the United Kingdom, these multigrade filters offer assorted values for achieving different effects in film photography. These high-quality filters are designed for use in darkroom and developing processes, providing photographers with precise control over contrast and tonality in their images. Ideal for professionals and enthusiasts alike, these Ilford filters are a valuable addition to any darkroom setup. Please review pictures thoroughly to determine condition for yourself.