Code no: 4013
Size 9 x 12 cm (3.5 x 4.7 in.), for 4018 darkroom safelight.
4013: Orange, for B&W silver chlorobromide papers
4014: Red, for orthochromatic papers and films and B&W graded papers.
4015: Multigrade®, for variable contrast papers and B&W graded papers
Code no: 4013
Subject to errors and technical changes.