[200mm Upper 15 & 25 cm | Lower 15 & 25]
[300mm Upper 7.5 & 15.0 inches (19 & 38 cm) | Lower 7.5 & 15.0 inches]
[200mm Upper 7.5 & 15.0 inches (19 & 38 cm) | Lower 7.5 & 15.0 inches]
[300mm Upper 15 & 25 cm | Lower 15 & 25]
One of the most common "reflux condenser"