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Top rated lab long stem funnels

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Top rated lab long stem funnels

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

  1. Best overall

    Eisco Labs Borosilicate Glass Long Stem Funnel, 100mm

    4.5/5 $15-$20

    High-quality borosilicate glass funnel with 100mm diameter and long stem, ideal for general laboratory filtration and transfer.

    • Durable borosilicate glass
    • Heat resistant
    • Good value
    • Rim not fire-polished smoothly
    View on Amazon
  2. Best budget pick

    Karter Scientific 213U2 Borosilicate Glass Long Stem Funnel, 75mm

    4.4/5 $10-$15

    Affordable borosilicate glass funnel with 75mm diameter, suitable for most lab applications including filtration and filling narrow-neck containers.

    • Very affordable
    • Good quality glass
    • Lightweight
    • Smaller size limits use
    View on Amazon
  3. Premium choice

    United Scientific LFS1000 Borosilicate Glass Funnel, 100mm

    4.6/5 $18-$25

    Heavy-duty borosilicate glass funnel with reinforced rim and 100mm diameter, designed for rigorous lab use.

    • Reinforced rim for durability
    • High clarity
    • Stain resistant
    • Slightly more expensive
    View on Amazon
  4. Best plastic option

    Eisco Labs Polypropylene Long Stem Funnel, 150mm

    4.3/5 $8-$12

    Unbreakable polypropylene funnel with 150mm diameter and long stem, suitable for non-corrosive liquids and general use.

    • Unbreakable
    • Chemical resistant
    • Low cost
    • Not heat resistant
    • Stains over time
    View on Amazon
  5. Professional grade

    Chemglass CG-1116-10 Long Stem Funnel, 100mm

    4.7/5 $30-$40

    High-quality borosilicate glass funnel with 100mm diameter, precision ground stem for accurate liquid transfer and filtration.

    • Precision ground stem
    • Excellent clarity
    • Robust construction
    • Expensive
    View on Amazon
  6. Value pack

    HMD Healthcare Borosilicate Glass Funnel, 75mm with Long Stem

    4.2/5 $8-$12

    Two-pack of 75mm borosilicate glass funnels, great for labs needing multiple funnels or backup supply.

    • Comes in a pair
    • Good quality
    • Price per funnel is low
    • Fragile if dropped
    View on Amazon
  7. Best high-end

    DWK Life Sciences Kimble Chase 29000-100 Borosilicate Glass Funnel, 100mm

    4.8/5 $25-$35

    Premium borosilicate glass funnel from Kimble Chase, 100mm diameter with fire-polished edges and uniform wall thickness for consistent performance.

    • Fire-polished edges
    • Uniform wall thickness
    • Brand reliability
    • Higher price
    View on Amazon

Buying advice

When choosing a long stem funnel, consider the stem length and diameter relative to your flasks or containers. Borosilicate glass is heat-resistant and chemically inert, ideal for most lab work, while polypropylene is unbreakable but less heat tolerant. Check the rim finish; fire-polished rims reduce chipping and are safer. For frequent use, invest in a reinforced rim model. Ensure the stem is long enough to reach into narrow-neck vessels for splash-free transfer.

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