- Capacity: 125 mL (approx. 4 oz).
- Material: Borosilicate Glass Code 7740, known for durability and thermal shock resistance.
- Funnel Style: Squibb (pear-shaped) for efficient phase separation.
- Stopcock: No. 2 PTFE straight bore stopcock plug.
- Stopper Options:
- Model 6402-125: Supplied with a No. 22 hollow glass Standard Taper stopper.
- Model 6404-125: Supplied with a No. 22 high-density polyethylene (HDPE) stopper.
- Model 6413-125: Features standard taper joints (19/22) at both top and bottom instead of a standard stopper.
Corning +7
Physical Dimensions (Approximate)
- Body Outer Diameter: 63 mm.
- Stem Outer Diameter: 10 mm.
- Total Height: 280 mm to 289 mm depending on the stopper type.
Corning +4
Primary Benefits
- Grease-Free Performance: The PTFE stopcock ensures smooth operation without contaminating samples with lubricants.
- Chemical Resistance: Highly resistant to most laboratory reagents and solvents.
- Replacement Parts: Standardized parts mean replacement PTFE stopcock

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