The Glass Underground has a Sale Page! 16 inch extraction tubes $32

Our Large 16 inch glass extraction tubes are on sale now! 

https://www.theglassunderground.com/shop/16-glass-extraction-tube/

On sale now – 44mm diameter 16 inch Duran Schott glass extraction tubes. $32 Highest quality laboratory glass.

Wholesale Glass Extraction Tubes
Wholesale Glass Oil Extraction Tubes