The Science King 5L is a 5 Liter Rotary Evaporator system that uses the different boiling points of materials to separate the solvent material from a mixture.

The Science King 10L is an extraction system that uses the different boiling points of materials to seperate the target material from a mixture.

The Science King 20L is a rotary evaporator (sometimes called a Roto Vape) It is an extraction system that uses the different boiling points of materials to separate the target material from a mixture.

The Science King 50L is a rotary evaporator (sometimes called a Roto Vape). It is an extraction system that uses the different boiling points of materials to separate the target material from a mixture.