The Zaitsev absorber is one of the laboratory products manufactured by PrimeLab from heat-resistant glass. Its main purpose is to purify gas mixtures or air from various impurities. It has good absorption and purification efficiency. The device has the shape of an elongated cylinder, the upper part of which is wider than the lower. A tube is horizontally soldered into the upper part, through which purified air comes out. The second tube is located vertically along the entire length of the cylinder. They are equipped with specialized olives that provide a stronger connection with soft hoses.