Eluent filtration kits are used for fine mechanical filtration of solutions through a microporous membrane under vacuum. The kit includes a Bunsen flask (0.25 / 0.5 / 1 l), a funnel, a glass, membranes with a pore size of 0.2 (0.45 µm), a clamp, a connecting tube, and tweezers. Membranes are made of PTFE, capron, cellulose acetate. The membranes diameter is 50 mm. The number of membranes is 50 pcs.