Five-reagent kit for simple and reproducible detection of calcium deposits and calcium salt in tissue samples according to Von Kossa. Tissue calcification is associated with metabolic problems in various tissues (like bone marrow and mamma) and in tumors.

Five-reagent kit for staining Spirochaeta, Helicobacter pylori, Microsporidia and Legionella pneumophila. The kit contains 12 jars with gelatin that enables both incubation and staining of sections, as well as other reagents that enable precipitation of silver on the bacterial surface. The bacteria are found in the mucus of the surface epithelium, in the apical gastric glands and in the gastric mucosa.

Six-reagent kit for staining elastic fibers with a prolonged incubation period. Used for differentiation between elastic tissue, collagen and other types of connective tissue.