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Top rated lab separatory funnels

AI-generated summary · updated July 27, 2026 · verify details before purchase.

  1. Best overall

    Pyrex 250 mL Separatory Funnel with PTFE Stopcock

    4.7/5 $60-$80

    Durable borosilicate glass, leak-proof PTFE stopcock, and precise graduation for reliable liquid-liquid extraction.

    • High durability
    • Smooth stopcock operation
    • Accurate graduations
    • Pricey for small labs
  2. Best value

    Eisco Labs 500 mL Borosilicate Separatory Funnel with Glass Stopcock

    4.5/5 $35-$55

    Affordable borosilicate glass funnel with glass stopcock; good seal and easy to clean; ideal for teaching labs.

    • Great value
    • Glass stopcock
    • Easy to clean
    • Stopcock may stick
    • Lid not included
  3. Best for precision

    United Scientific Supplies 125 mL Squibb Separatory Funnel with PTFE Stopcock

    4.8/5 $40-$60

    Squibb conical shape for better phase separation; PTFE stopcock resists corrosion; excellent student reviews.

    • Excellent phase separation
    • Corrosion-resistant
    • Student-friendly
    • Small capacity
    • Fragile stem
  4. Best for professional labs

    DWK Life Sciences Kimble 500 mL Separatory Funnel with Glass Stopcock

    4.6/5 $70-$90

    Heavy-wall borosilicate glass, reinforced stopcock, and clear graduation lines; trusted by chemists.

    • Heavy-wall glass
    • Reinforced stopcock
    • Trusted brand
    • Expensive
    • Requires care with stopcock
  5. Best large capacity

    Eisco Labs 1000 mL Squibb Separatory Funnel with PTFE Stopcock

    4.4/5 $50-$70

    Large 1-liter capacity for bulk extractions; PTFE stopcock ensures smooth flow; robust construction.

    • Large capacity
    • Smooth PTFE stopcock
    • Robust build
    • Heavy when full
    • Stopcock assembly tricky
  6. Best budget pick

    Globe Scientific 250 mL Separatory Funnel with Glass Stopcock

    4.3/5 $30-$45

    Budget-friendly option with ground glass stopcock; suitable for general lab procedures.

    • Very affordable
    • Functional ground glass
    • Lightweight
    • Less durable
    • Stopcock may leak
  7. Best premium

    Pyrex 500 mL Squibb Separatory Funnel with PTFE Stopcock and Glass Stopper

    4.9/5 $80-$100

    Premium Squibb design with PTFE stopcock and glass stopper; excellent chemical resistance, very high user ratings.

    • Premium quality
    • Chemical resistant
    • Very high rating
    • Expensive
    • Heavy
  8. Best for home labs

    Huanyu 125 mL Separatory Funnel with PTFE Stopcock, Borosilicate Glass

    4.2/5 $20-$35

    Low-cost borosilicate funnel for hobbyists; includes PTFE stopcock; decent performance for non-critical work.

    • Low cost
    • Includes PTFE
    • Good for hobbyists
    • Lower quality control
    • Graduation marks may fade

Buying advice

Consider the material (borosilicate glass for durability), stopcock type (PTFE for chemical resistance, glass for budget), and capacity based on your extraction needs. Check dimensions to fit your lab stand. Higher ratings often indicate better stopcock quality and graduation accuracy.

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