The rotos can be rotated into a film under constant temperature and negative pressure, and recovered by condensation in the evaporating solvent,It is especially suitable for concentration,crystallization, separation and recovery of heat sensitive materials.
What have you “automated” in comparison to what we are used to? Looks like a standard turn key roto…
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You don’t have to manually crank the roto bulb to make it turn. THerefore automatic. Another great innovation from glorious China
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Yep, just wanted to say non-manual… 
Roto can efficiently and gently remove solvents from samples by evaporation
There is still one in California…
The rotary evaporator is live in Cali, can choose 20L and 50L, the whole body is made of high borosilicate glass, the material is great, high temperature and corrosion resistant, used with a chiller, the recovery rate is doubled, if you need to make cannabis crude oil, take it home ! Find me to cooperate for a good price, the first come, the bigger the discount!
The rotary evaporator can choose 5-10-20-50L single condensation, 10-20-50L double condensation, made of high borosilicate material, used to recover solvent and distill cannabis oil, if you need it to work for you, please contact me to Order, good price!