H150-9000N water chiller - 9000Watts cooling power

Anti-corrosion gasket (New) (If replacing the old sealing ring, a separate spring needs to be placed for use with it. If the machine is equipped with a new sealing ring, no additional spring is needed)

Block for NDK200-2 for 22l vials, 23,2*6, d.45mm

RG2 COD reaction vessel 175ml , 100ml marking, NS29