ProductsAntibioticsAvermectin B1B Avermectin B1B SKU: A139-0.5MG Unit: Each Brand: TOKU-E Avermectin B1B Other products from «Antibiotics» Rubiginone D2 # R049-2.5MG Milbemycin A4 # M059-5MG Tiamulin Fumarate # T029-500MG 3'-Ethoxy-56-Dihydro-Spinosyn J # S091-1MG