4 GM 501F-20: 20 ml
4 GM 501F-50: 50 ml
4 GM 501F-100: 100 ml
4 GM 501F-250: 250 ml
4 GM 501F-500: 500 ml
SPF: SpermFreeze - 5x 20ml
SPF05: SpermFreeze - 25 x 5ml