PYREX® 250mL Squibb Glass Separatory Funnel with PTFE Valve and GL45 Threaded Screw Cap – 6305-250

The PYREX® 250mL Squibb Glass Separatory Funnel is a high-quality borosilicate glass laboratory instrument designed for liquid-liquid extraction, solvent separation, and chemical sample preparation. Its pear-shaped body features a chemically resistant PTFE valve and drip tip for precise liquid flow control. The funnel comes complete with a GL45 threaded screw cap featuring a PTFE-faced silicone liner for secure closure. It is ideal for pharmaceutical laboratories, chemical testing facilities, research institutions, biotechnology laboratories, and educational laboratories. Key Features - 250mL Capacity: Suitable for small-volume liquid-liquid extraction and solvent separation. - Squibb Pear-Shaped Design: Facilitates separation of immiscible liquid phases. - All-PTFE Valve: Provides chemical resistance and controlled liquid discharge. - 4mm Valve Size: Supports precise flow adjustment during extraction procedures. - PTFE Drip Tip: Provides a chemically resistant outlet for liquid collection. - GL45 Threaded Top: Accommodates a screw cap for secure closure. - PTFE-Faced Silicone Liner: Helps create a reliable seal during laboratory procedures. - Borosilicate Glass Construction: Offers good chemical resistance and thermal stability. - Complete Assembly: Includes PTFE valve assembly and threaded screw cap. - Reusable Design: Suitable for repeated laboratory extraction and separation procedures. Corning Specification Details Brand PYREX® Manufacturer Corning Product Number 6305-250 Product Type Laboratory Separatory Funnel Funnel Style Squibb Separatory Capacity 250mL Material Borosilicate Glass Body Shape Pear-Shaped Body Outer Diameter Approximately 75mm Top Style Threaded Thread Size GL45 Closure Type Threaded Screw Cap Cap Liner PTFE-Faced Silicone Valve Material PTFE Valve Size 4mm Drip Tip Material PTFE Glass Stopper Not Included Valve Assembly Included Screw Cap Included Primary Application Liquid-Liquid Extraction Additional Applications Solvent Separation, Chemical Analysis, Sample Preparation Reusable Yes Quantity per Pack 1 Piece Quantity per Case 1 Piece