ISO Standard Borosilicate，New Advanced Chemistry Glassware Kit<br /><br />Capacity:250 ml<br />Material: Borosilicate glass 3.3<br />Joints size: 45/50，24/40，42/40<br />Flat bottom flask:250 ml<br />Soxhlet Extraction Apparatus:42/40 and 24/40<br />Extraction Body: 42/40 female joint at top， 24/40 male joint at the bottom<br />Allihn Condenser: 45/50 male joint at bottom<br />Regular wall thickness<br /><br />Package Included:<br />1 x Flat bottom flask<br />1 x Extraction Body<br />1 x Allihn Condenser<br /><br />Note:<br />Manual measuring， please allow 1 ~ 3 cm error， thanks.