ProductsAntibioticsAvermectin B1B Avermectin B1B SKU: A139-0.5MG Unit: Each Brand: TOKU-E Avermectin B1B Other products from «Antibiotics» Lincomycin # L014-5MG Tetromycin A # T086-0.5MG Oxantel Pamoate # O033-1G Spectinomycin Sulfate # S016-1G