Separating Funnel: A Must-Have Tool for Chemistry Labs It's the perfect tool for any laboratory, allowing for precise separations of liquids based on density or the division of immiscible liquids. Whether you need to separate organic products from aqueous solutions, this kit is engineered to do it with accuracy and reliability. Separatory Funnel Kit comes with: Separatory Funnel made of Borosilicate 3.3. Glass Heavy Duty Plastic Separatory Funnel Holder that can hold up to 500ml funnels. Metal Retort Ring for 1 Ltr and above Separatory Funnel kit. Metal Retort Stand with Chrome Plated Rod. Four-prong clamp with bosshead for 2000ml and above funnel kit. Please see the chart below for details. This Separatory Funnel has a PTFE Stopcock and glass Stopper. Item Code Capacity (ml) Retort Ring/ PP Holder Fourprong Clamp Retort Stand 18.PT.0204.125KIT 125 50mm (Mild steel) N/A 6"X 4" Metal sheet 18.PT.0204.250KIT 250 PP SEP Funnel Holder N/A 6"X4" Metal sheet 18.PT.0204.500KIT 500 PP SEP Funnel Holder N/A 6"X4" Metal sheet 18.PT.0204.1000KIT 1000 100mm (Mild steel) N/A 8"X5" Mild steel 18.PT.0204.2000KIT 2000 100mm (Mild steel) 7" & Bosshed 9" X 6" Cast Iron 18.PT.0204.3000KIT 3000 150mm (Mild steel) 7" & Bosshead 9" X6" Cast Iron 18.PT.0204.5000KIT 5000 150mm (Mild steel) 9" & Bosshead 9" X 6" Cast Iron 18.PT.0204.10000KIT 10000 150mm & 100mm (Mild steel) 12" & Bosshead 12 X 7" Cast Iron 18.PT.0204.20000KIT 20000 150mm & 100mm(Mild steel) 12" & Bosshead 12 X 7" Cast Iron Usage: Liquid-Liquid Separation/Extraction.