Best Three Way Stopcock

Dropping Funnel, 100ml, Cylindrical - Screw Thread, Socket Size 24/29, PTFE Stopcock, Borosilicate Glass - Eisco Labs

  • Cylindrical Dropping Funnel made of high quality, heavy duty, 3.3 borosilicate glass.
Check Stock

Nalgene Class B Accuracy Acrylic Burets 100 ml (Case of 4)

  • Delivery end is fitted into a plastic push button stopcock which permits drop by drop delivery.
  • Small screw clamp adjusts drop speed as needed for titration.
  • Polyethylene filling tube extends from the top of the burette into the bottle reservoir.
  • Bottle, screw cap and round base are polyethylene plastic.
Check Stock

Separatory Funnel, 500mL - Polypropylene - Polypropylene Stopcock, PTFE Plug - Leak-Proof Screw Cap - Eisco Labs

  • Separatory Funnel made of high quality polypropylene.
  • Stopcock, fitted with self lubricating PTFE plug.
Check Stock

EISCO CH0233B Acrylic Buret with PTFE Stopcock, 50mL Capacity, 0.1mL Graduation

  • Polytetrafluoroethylene (PTFE) plastic plunger stopcock for resistance to chemicals, moisture, and high temperatures.
  • Suitable for high school or college students, or ages 14 to 21.
Check Stock

Squibb Separating Funnel, 500ml - 24/29 Plastic Stopper, Glass Key Stopcock, Graduated - Borosilicate Glass - Eisco Labs

  • Made of high quality, heavy duty Borosilicate glass.
  • Includes interchangable plastic stopper. Socket size 24/29.
Check Stock

SP Bel-Art Polypropylene Stopcock with PTFE Plug; for ¼ to ⅜ in. I.D. Tubing (F42040-0000)

  • Cadence Science 6030IND stopcock ml large to 8 mm hose end.
Check Stock

Squibb Separating Funnel, 2000ml - 29/32 Plastic Stopper, PTFE Key Stopcock, Graduated - Borosilicate Glass - Eisco Labs

  • Squibb Separating Funnel made from high quality, heavy duty 3.3 borosilicate glass..
  • PTFE stopcock and interchangeable plastic stopper..
Check Stock

Dropping Funnel, 500ml - PTFE Key Stopcock, Open Top, Cylindrical - Ungraduated - Cylindrical, Borosilicate Glass - Eisco Labs

  • Made of high quality, Borosilicate glass.
  • Cylindrical Dropping Funnel, made of high quality borosilicate glass.
  • Perfect for any science or home laboratory.
Check Stock

Dropping Funnel, 100ml - PTFE Key Stopcock, Open Top, Cylindrical - Ungraduated - Cylindrical, Borosilicate Glass - Eisco Labs

  • Made of high quality, Borosilicate glass.
  • Cylindrical Dropping Funnel, made of high quality borosilicate glass.
  • Perfect for any science or home laboratory.
Check Stock

Kimble 17054F-25 25mL Class A Automatic Burette, with 3-Way PTFE Stopcock

  • Precision bore burette is permanently marked with an individual serial number.
  • Supplied with a Certificate of Graduation Accuracy and designed from ASTM Specification E287, Class A requirements.
  • Filling is through a standard 2mm bore stopcock.
Check Stock