Separating Funnels Pear Shape is made with Borosilicate Glass and comes with an Interchangeable Stopper. You have a choice of either buying with Glass/PTFE Stopcock. These funnels are constructed for high resistance to chemical attack and are perfect for separating dual-phase liquids. 10,000ml and above Funnels are in Round Shape. Material: Borosilicate Glass 3.3 Packing: 1Pc/Pk Other sizes are available as per the table below. Contact us for further information. Item Code Capacity (ml) NS Bore 18.00.0201 50/60 Pear shape 19/26 2.5 18.00.0201A 50/60 Pear shape 19/26 2.5 18.00.0202 125 Pear shape 19/26 2.5 18.00.0203 250 Pear shape 19/26 2.5 18.00.0204 500 Pear shape 24/29 2.5 18.00.0205 1000 Pear shape 24/29 or 29/32 2.5 18.00.0206 2000 Pear shape 29/32 6 18.00.0207 5000 Pear shape 34/39 6 18.00.0208 10000 ROUND SHAPE 34/39 6 18.00.0209 20000 ROUND SHAPE