Best Lab Addition Funnels (Sep. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Deschem 250ml.24/40,Glass Pressure Equalizing Additonal Funnel,with PTFE Stop...

9.9
CPR Score
Top 2

stonylab Graduated Pressure Equalizing Addition Funnel, Borosilicate Glass Dr...

9.8
CPR Score
Top 3

stonylab 100ml Pressure Equalizing Addition Funnel, Borosilicate Glass Droppi...

9.6
CPR Score
Tips


Our team has selected the top 28 best Lab Addition Funnels by analyzing and evaluating 306 products of different Lab & Scientific Products brands, including EISCO, stonylab, Sabary, Labasics And Deschem, Still, Our editor rated and compared them on product features before you buy.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Lab Addition Funnels Rated by CherryPicks

Market Overview
Lab Addition Funnels Reviewed
  • Reviews Analyzed: 405 Items
  • CPR Avg. Rating: 8.5 / 10
28 Products Evaluated
  • Highest Price: $109.99
  • Lowest Price: $26.99
  • Avg. Price: $47.32
Price Disclaimer

Top 28 Lab Addition Funnels on Amazon (Verified You can Buy)

Top 1

Deschem 250ml.24/40,Glass Pressure Equalizing Additonal Funnel,with PTFE Stopcock

Deschem
250ml

Ratings for Deschem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Deschem Science Supply -

Features

Deschem Science Supply
Be Made From G3.3 Borosilicate Glass
Show More
Top 2

stonylab Graduated Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel with 24/40 Joint and High Vacuum Valve, 100 ml for Laboratory Use

stonylab
KD-Add-Funnel-HFM-24/40-100ml
13.4 x 3.4 x 2.4 inches
0.53 pounds

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

StonyLab constant pressure dropping funnel is mainly used for the drip addition of liquids in experiments to prevent liquid back-siphoning and reduce the influence of liquid on air pressure in the system
24/40 standard joint at top and bottom for better connection with other instruments
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Top 3

stonylab 100ml Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory, 100ml

stonylab
EqualPress-Funnel-24/40-100ml

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Pressure Equalizing Addition Funnel is commonly used in general closed system experiments and experiments that require dripping solutions; it is mainly connected with reaction vessel to drop solution, which can isolate the air, prevent solvent from volatilizing, and speed up experiment process
Made of borosilicate 3.3 glass, resistant to pressure and chemical corrosion, ideal for routine lab applications
Show More
Top 4

Labasics Graduated Pressure Equalizing Addition Funnel with PTFE Stopcock, Borosilicate Glass Dropping Funnel for Laboratory Titration Reactions, 24/40 Joint, 50 ml

Labasics
LB000808
11.2205 x 2.3622 x 1.5748 inches
0.2646 Pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Widely used for laboratory operations including stepwise reagent addition and precision titration experiments
Clear volume graduations printed on funnel wall facilitate residual liquid monitoring and quantitative dispensing during procedures
Show More
Top 5

FunChem Dropping Funnel with PTFE Stopcock, 500ml Borosilicate Glass Lab Funnel for Precise & Controlled Liquid Addition in Laboratory Experiments

FunChem
FC000224
9.8425 x 3.1496 x 3.1496 inches
0.8378 Pounds
  • Unknown: Unqualified

Ratings for FunChem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FunChem -

Features

Designed for laboratory analysis applications, ideal for titration, slow reagent addition, and reaction monitoring
Equipped with a PTFE (Polytetrafluoroethylene) stopcock to regulate drip rate and ensure precise liquid dispensing
Show More
Top 6

Sabary 100ml Pressure Equalizing Dropping Funnel Borosilicate Glass Cylindrical Addition Funnel with PTFE Stopcock Dual 24/40 Standard Taper Joints Graduated Laboratory Glassware for Closed System

Sabary
OM-Sabary-8964
4.33 x 4.33 x 4.33 Inches

Ratings for Sabary (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Somezee -

Features

Clear Graduations for Accurate Measurement: this pressure equalizing graduated addition funnel comes with clearly marked graduations on the 100ml cylinder, allowing easy volume measurement and precise control of liquid reagents during laboratory procedures
Pressure Equalization Design: this leakproof PTFE stopcock lab funnel features a pressure equalizing line that balances pressure in closed systems for smooth liquid addition; Prevents flow interruption from pressure buildup during synthesis and distillation
Show More
Top 7

Labasics Graduated Pressure Equalizing Addition Funnel with PTFE Stopcock, Borosilicate Glass Dropping Funnel for Laboratory Titration Reactions, 24/40 Joint, 250 ml

Labasics
LB000810
14.1732 x 3.1496 x 1.7717 inches
0.6173 Pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Widely used for laboratory operations including stepwise reagent addition and precision titration experiments
Clear volume graduations printed on funnel wall facilitate residual liquid monitoring and quantitative dispensing during procedures
Show More
Top 8

FunChem Dropping Funnel with PTFE Stopcock, 1000ml Borosilicate Glass Lab Funnel for Precise & Controlled Liquid Addition in Laboratory Experiments

FunChem
FC000225
11.0236 x 4.7244 x 4.7244 inches
1.3228 pounds
  • Unknown: Unqualified

Ratings for FunChem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FunChem -

Features

Designed for laboratory analysis applications, ideal for titration, slow reagent addition, and reaction monitoring
Equipped with a PTFE (Polytetrafluoroethylene) stopcock to regulate drip rate and ensure precise liquid dispensing
Show More
Top 9

stonylab Addition Funnel, 24/40 Joint Borosilicate Glass Graduated Dropping Funnel with PTFE Stopcock for Laboratory Use, 500ml

stonylab
KD-Add-Funnel-24/40-500ml
15.75 x 3.54 x 3.94 inches
0.88 pounds

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

stonylab addition funnel; Borosilicate glass laboratory glassware used to transfer liquids.
Cylindrical design with PTFE stopcock allows controlled reagent transfer; useful for adding reagents slowly.
Show More
Top 10

Sabary 500ml Pressure Equalizing Dropping Funnel Borosilicate Glass Cylindrical Addition Funnel with PTFE Stopcock Dual 24/40 Standard Taper Joints Graduated Laboratory Glassware for Closed System

Sabary
OM-Sabary-8963
5.31 x 5.31 x 4.72 inches

Ratings for Sabary (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Somezee -

Features

Clear Graduations for Accurate Measurement: this pressure equalizing graduated addition funnel comes with clearly marked graduations on the 500ml cylinder, allowing easy volume measurement and precise control of liquid reagents during laboratory procedures
Pressure Equalization Design: this leakproof PTFE stopcock lab funnel features a pressure equalizing line that balances pressure in closed systems for smooth liquid addition; Prevents flow interruption from pressure buildup during synthesis and distillation
Show More
Top 11

stonylab 500ml Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory, 500ml

stonylab
EqualPress-Funnel-24/40-500ml

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Pressure Equalizing Addition Funnel is commonly used in general closed system experiments and experiments that require dripping solutions; it is mainly connected with reaction vessel to drop solution, which can isolate the air, prevent solvent from volatilizing, and speed up experiment process
Made of borosilicate 3.3 glass, resistant to pressure and chemical corrosion, ideal for routine lab applications
Show More
Top 12

Labasics Addition Funnel, Borosilicate Glass Graduated Dropping Funnel with 24/40 Standard Joint and PTFE Stopcock for Laboratory Additional Funnel, 100 ml

Labasics
LB000590
13.189 x 1.5748 x 1.5748 inches
0.5512 pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Addition Funnel: designed for liquid transfer in laboratory; crafted from durable borosilicate glass; heavy-duty, reusable, and built for long-term use
Controlled Liquid Transfer: features a cylindrical shape with a PTFE stopcock, allowing for precise and slow reagent addition
Show More
Top 13

stonylab 50ml Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory, 50ml

stonylab
EqualPress-Funnel-24/40-50ml

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Pressure Equalizing Addition Funnel is commonly used in general closed system experiments and experiments that require dripping solutions; it is mainly connected with reaction vessel to drop solution, which can isolate the air, prevent solvent from volatilizing, and speed up experiment process
24/40 joint top and bottom
Show More
Top 14

stonylab Jacketed Pressure Equalizing Addition Funnel, 250ml Borosilicate Glass Dropping Funnel with 24/40 Joint and PTFE Stopcock for Laboratory Reagent Addition

stonylab
SL002741
13.7795 x 3.1496 x 4.3307 inches
0.6614 Pounds

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Jacketed Temperature Control: Features dual-layer jacket ports for external coolant circulation, enabling stable temperature control during reagent addition; optimal for heat management in synthetic applications
Reactive-Resistant Construction: Premium borosilicate glass body with PTFE stopcock resists acids, bases, and solvents; standard 24/40 joint ensures leak-free performance under vacuum or inert atmospheres
Show More
Top 15

stonylab Pressure Equalizing Addition Funnel, 24/40 Joint, Borosilicate Glass Graduated Dropping Funnel with 2 PTFE Stopcocks, for Laboratory Controlled Addition, 60 ml

stonylab
SL002638
11.811 x 2.3622 x 1.9685 inches
0.4409 pounds

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Constant pressure design for steady dropwise addition, used in laboratory synthetic processes that requires uniform speed and pressure liquid reactant addition
Constructed with G3.3 borosilicate glass, heat-resistant, pressure-tolerant, and corrosion-resistant; excellent transparency for observing liquid status
Show More
Top 16

Autoark 500ml Pressure Equalizing Addition Funnel,Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory,AIS-005

AUTOARK
AIS-005
15.0 x 3.0 x 2.0 inches

Ratings for AUTOARK (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Autoark 9,893

Features

Made of high quality borosilicate glass,Strong and durable,corrosion resistance
24/40 joint top and bottom,Pressure equalizing,Cylindrical style with PTFE stopcock
Show More
Top 17

Labasics 100 ml Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory

Labasics
100 ml
11.4173 x 2.2441 x 2.2441 inches
0.3131 pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Borosilicate glass; maximum withstand temperature 250°C
24/40 joint top and bottom
Show More
Top 18

FunChem Pressure Equalizing Dropping Funnel with PTFE Stopcock, 250ml Graduated Borosilicate Glass with 24/40 Standard Taper Joints for Safe Laboratory Liquid Addition

FunChem
FC000222
9.8425 x 3.1496 x 3.1496 inches
0.8818 Pounds
  • Unknown: Unqualified

Ratings for FunChem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
FunChem -

Features

Ideal for closed-system experiments and controlled addition processes; effectively isolates contents from air, prevents solvent evaporation, and accelerates reaction progress
Features a 250ml capacity with clear graduations and standard 24/40 ground glass joints at both top and bottom
Show More
Top 19

CS Labglass 250ml Pressure Equalizing Graduated Addition Funnel, with 24/40 Joint & 2mm PTFE Stopcock, Borosilicate Glass Pressure Equalizing Funnel, Lab Glassware (250 ml)

CS Labglass
250ml,24/40 Joint
2.72 x 2.72 x 15.16 inches

Ratings for CS Labglass (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
CHENGSHENG GLASSWARE -

Features

Pressure equalizing addition funnel with 24/40 standard taper Joints and 2mm PTFE stopcock.
These pressure-equalizing dropping funnels are made of borosilicate glass, durable and of high quality, can withstand typical laboratory thermal variations in chemistry processes.
Show More
Top 20

Labasics Graduated Pressure Equalizing Addition Funnel with PTFE Stopcock, Borosilicate Glass Dropping Funnel for Laboratory Titration Reactions, 24/40 Joint, 100 ml

Labasics
LB000809
12.9921 x 2.3622 x 1.5748 inches
0.3968 Pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Widely used for laboratory operations including stepwise reagent addition and precision titration experiments
Clear volume graduations printed on funnel wall facilitate residual liquid monitoring and quantitative dispensing during procedures
Show More
Top 21

EISCO Dropping Funnel, 1000ml - PTFE Key Stopcock, Open Top, Cylindrical - Ungraduated - Borosilicate Glass

EISCO
CH0470E
3.0 x 3.0 x 16.0 Inches

Ratings for EISCO (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
The Lab Stockroom 3,738

Features

Made of high quality, Borosilicate glass
Cylindrical Dropping Funnel, made of high quality borosilicate glass
Show More
Top 22

Deschem 100ml 24/40 Lab Powder Addition Funnel Borosilicate Glass Graduated Dropping Funnels with PTFE Valve

Deschem
DES100ML2440FMDJLD

Ratings for Deschem (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Deschem Science Supply -

Features

Be Made From G3.3 Borosilicate Glass
Annealing Point ------560℃
Show More
Top 23

Labasics Dropping Funnel, Teflon Stopcock High Borosilicate Glass Top Opening Non-Graduated, for Precise Liquid Dispensing, 250 ml

Labasics
LB000354
2.3622 x 2.3622 x 4.7244 inches
0.3968 Pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Labasics cylindrical dropping funnel, open at top, suitable for solution extraction, separation, or liquid addition apparatus
250 ml capacity, one pack
Show More
Top 24

stonylab Addition Funnel, 24/40 Joint Borosilicate Glass Graduated Dropping Funnel with PTFE Stopcock for Laboratory Use, 50ml

stonylab
KD-Add-Funnel-24/40-50ml
11.0236 x 1.9685 x 1.9685 inches
0.2866 Pounds

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

stonylab addition funnel; Borosilicate glass laboratory glassware used to transfer liquids.
Cylindrical design with PTFE stopcock allows controlled reagent transfer; useful for adding reagents slowly.
Show More
Top 25

stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 50 ml with PTFE Stopcock for Laboratory (50 ml)

stonylab
Grad-EqualPressFunnel-24/40

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Pressure Equalizing Addition Funnel is commonly used in general closed system experiments and experiments that require dripping solutions; it is mainly connected with reaction vessel to drop solution, which can isolate the air, prevent solvent from volatilizing, and speed up experiment process
Borosilicate glass; capacity: 50 ml with graduation
Show More
Top 26

Labasics 500 ml Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory

Labasics
500 ml
15.748 x 4.6063 x 4.7244 inches
1.1023 Pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Borosilicate glass; maximum withstand temperature 250°C
24/40 joint top and bottom
Show More
Top 27

stonylab Pressure Equalizing Graduated Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint 500 ml with PTFE Stopcock for Laboratory (500 ml)

stonylab
B07WRBXVQ4

Ratings for stonylab (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Pressure Equalizing Addition Funnel is commonly used in general closed system experiments and experiments that require dripping solutions; it is mainly connected with reaction vessel to drop solution, which can isolate the air, prevent solvent from volatilizing, and speed up experiment process
Borosilicate glass; capacity: 500 ml with graduation
Show More
Top 28

Labasics 50 ml Pressure Equalizing Addition Funnel, Borosilicate Glass Dropping Funnel 24/40 Joint with PTFE Stopcock for Laboratory

Labasics
50 ml
9.8425 x 1.8504 x 1.8504 inches
0.2822 pounds

Ratings for Labasics (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
J & D TECH INC 735

Features

Borosilicate glass; maximum withstand temperature 250°C
24/40 joint top and bottom
Show More

Top 10 Lab Addition Funnels - Verified to Buy (September 2026)

Top 8 Lab Addition Funnels Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Deschem
  • stonylab
  • Labasics
  • FunChem
  • Sabary
  • AUTOARK
  • CS Labglass
  • EISCO

Top 6 Lab Addition Funnels Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 J & D TECH INC 63,881 4.9
🥈 The Lab Stockroom 17,064 4.8
🥉 Autoark 6,845 4.8
4 Somezee 2,981 4.9
5 Deschem Science Supply 414 4.6
6 FunChem 59 4.9
View or download top Lab Addition Funnels seller & rating report
J & D TECH INC [63881] The Lab Stockroom [17064] Autoark [6845] Somezee [2981] Deschem Science Supply [414] FunChem [59] J & D TECH INC 70% The Lab Stockroom 19% Autoark 8% Somezee 3% Deschem Science Supply 0% FunChem 0%

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Why Should You Trust Us?

Now hundreds and thousands of Lab & Scientific Products supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Lab Addition Funnels to buy for new September 2026?

CherryPicks’s Methodology for Evaluating Lab Addition Funnels

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Lab & Scientific Products items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Lab Addition Funnels reviews based on our selection criteria. It helped us shortlist the top qualified and rated Lab Addition Funnels for Lab & Scientific Products, We found that most customers choose Lab Addition Funnels with an average price of $47.32, and the top brands are EISCO, stonylab, Sabary, Labasics And Deschem

Then our expert-level editors reviewed all those quality items and selected the top 28 Lab Addition Funnels for you, We have researched hundreds of sellers and picked the top sellers for Lab & Scientific Products, including J & D TECH INC, The Lab Stockroom, Autoark, Somezee, Deschem Science Supply And FunChem. The Deschem 250ml.24/40,Glass Pressure Equalizing A... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 7 consumers with an average rating of 4.7.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Lab Addition Funnels to buy.


Written By Brandi W. Cortright

Brandi is a woman in tech who loves to write about the electronics and gadgets she has used. On this site, she would be providing you unbiased reviews of electronics as they are released into the market to make you know what to expect before making a purchase.