This Kodak Safelight Filter is a must-have for film photography enthusiasts. Measuring at 5 1/2 inches in diameter or 14 centimeters, this high-quality glass filter is designed to care for your images without compromising their quality. With its No. 13 Cat 179 6689 model, this safelight filter is made in the United States and is perfect for use in darkroom and developing settings. Get clear and sharp images with this Kodak Safelight Filter.