This PYREX® replacement Squibb separatory funnel is pear-shaped. The funnel has inner and outer 19/22 standard taper joints. It requires polytetrafluorethylene (PTFE) number 2 product standard stopcock plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. Capacity: 125mL. Funnel Style: Squibb Separatory. Stopcock Style: Replaceable PTFE assembly. Stopper Style: No Stopper. Top Style: Standard Taper Stopper. PTFE Stopcock Plug Number: 2. Standard Taper Bottom Joint: 19/22. Standard Taper Top Joint: 19/22. Height x Body O.D.: 246 x 60mm. Material: Borosilicate Glass Code 7740. Corning® #: 6413-125FO.