Ok - we all know gas booster pumps are on the way out. That said, is there any evidence that dual-pump is superior to a straight liquid pump? Which is more prone to failure?
Try a system with no pump at all.
miss by gas booster pump. worked great for dehydration; works great for vac steam distillation, worked great for fractionating cosolvents; worked great for making crumble; and having the ability to run multiple solvents... sigh... sweet dreams are made of these