This 2-liter nitrogen container is made with aluminum alloy of excellent quality, also antirust, long-lasting, and light-weight. It is used for storage cow semen artificial insemination. It offers an opportunity for cattle producers to breed their cows to bulls possessing. 35mm mouth dimension, 180mm outside dimension, 410mm in high, 2.1Kg weight, 90 / 204 straw capacity, 3 canisters.