Lab separatory funnels: top picks

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AI-generated summary · updated August 6, 2026 · verify details before purchase.

1. 

   1 Best overall Pyrex

   Pyrex 250 mL Separatory Funnel with PTFE Stopcock

   ★★★★★4.7/5 $1,420.79

   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

   View on Amazon manufacturer site
2. 

   2 Best value EISCO

   Eisco Labs 500 mL Borosilicate Separatory Funnel with Glass Stopcock

   ★★★★☆4.5/5 $45.49 Only 8 left

   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

   View on Amazon manufacturer site
3. 

   3 Best for precision United Scientific

   United Scientific Supplies 125 mL Squibb Separatory Funnel with PTFE Stopcock

   ★★★★★4.8/5 $24.88

   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

   View on Amazon
4. 

   4 Best for professional labs Generic

   DWK Life Sciences Kimble 500 mL Separatory Funnel with Glass Stopcock

   ★★★★★4.6/5 $905.48

   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

   View on Amazon manufacturer site
5. 

   5 Best large capacity EISCO

   Eisco Labs 1000 mL Squibb Separatory Funnel with PTFE Stopcock

   ★★★★☆4.4/5 $42.99 Only 5 left

   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

   View on Amazon manufacturer site
6. 

   6 Best budget pick Labasics

   Globe Scientific 250 mL Separatory Funnel with Glass Stopcock

   ★★★★☆4.3/5 $33.89 Only 8 left

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

   • Very affordable
   • Functional ground glass
   • Lightweight

   • Less durable
   • Stopcock may leak

   View on Amazon
7. 

   7 Best premium Corning

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

   ★★★★★4.9/5 $130.64 Only 10 left

   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

   View on Amazon manufacturer site
8. 

   8 Best for home labs Labasics

   Huanyu 125 mL Separatory Funnel with PTFE Stopcock, Borosilicate Glass

   ★★★★☆4.2/5 $29.39 Only 3 left

   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

   View on Amazon

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