Claisen Distillation Adapter three neck Glass Buchner Filter Funnels have

Glass Buchner Filter Funnels have a standard taper inner (male) joint with a sealed-in drip tip and a side hose connection to a vacuum source

Features the same-size top outer and lower inner standard taper joints

it can also be employed in situations where filter paper or membranes would be damaged by the chemical nature of the filtrate

This design serves as a viable alternative to a rotavap bump trap

Claisen Distillation Adapter three neck Glass Buchner Filter Funnels haveDistilling adapter with a vertical side tube featuring an outer thermometer port designed to accommodate a 76 mm immersion thermometer with a 10 18 joint (sold separately). The sidearm has a standard taper inner joint, and the vertical tube has a top outer and lower inner joint, all of the same size.