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Comes with six stainless steel needles
The 6-port mini-vap (22971) concentrator/evaporator
versatile concentrator/evaporator that can be used with a single container
The Mini-Vap includes a needle valve for fine metering of air or nitrogen drying gas. Ideal for a wide variety of needs in evaporation or concentration.. The 6-Port Mini-Vap (22971) concentrator/evaporator processes six miniature vials or containers at one time. Comes with six stainless steel needles, fine control needle valve, and three feet (0.9m) of plastic tubing. The Mini-Vap includes a needle valve for fine metering of air or nitrogen drying gas. Ideal for a wide variety of needs in evaporation or concentration. The 6-Port Mini-Vap (22971) concentrator/evaporator processes six miniature vials or containers at one time. Comes with six stainless steel needles, fine control needle valve, and three feet (0.9m) of plastic tubing. The adjustable Mini-Vap (22970) is a versatile concentrator/evaporator that can be used with a single container. The unique design allows for any size container, from the smallest vial to a 250 mL beaker. . . Sigma-Aldrich 22971 Six Port Mini-Vap Evaporator/Concentrator for 1-250mL Container. Country of Origin : United States. Part Number : 1198W62EA. Pack of : 1.