ProductsAntibioticsSteffimycin B Steffimycin B SKU: S102-1MG Unit: Each Brand: TOKU-E Steffimycin B Other products from «Antibiotics» Pirlimycin # P086-1MG Flubendazole # F040-5G Ternatin # T080-5MG Methylspinazarin # M108-0.5MG