The 6-Port Mini-Vap concentrator/evaporator handles up to six miniature vials or containers simultaneously. It comes with six stainless steel needles, a nickel-plated needle valve, and 3 feet of plastic tubing. The needle valve allows fine control of the nitrogen or dry air flow for the evaporator. Instructions are included.

The Adjustable Mini-Vap is a versatile concentrator/evaporator for use with a single container. Adjustable design allows use with any size vessel from mini-vial to 250 ml beaker. It is nickel-plated for resistance to solvents and dilute acids, and comes with instructions.