Javascript is disabled on your browser.
To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser.

PITTCON SPECIALS THROUGHOUT MARCH ON OUR MOST POPULAR PRODUCTS. ASK ABOUT SPECIAL PRICING.

For questions or assistance call

Lab Equipment
- - Animal Science Products
  - Balances & Weighing Scales
  - Baths
  - Centrifuges & Microcentrifuges
  - Chart Recorders & Data Loggers
  - Density and Specific Gravity Instruments
  - Desiccators & Drying Cabinets
  - Digestion Equipment
  - Dispensing Equipment, Liquids
  - Electrochemistry Meters, Probes & Standards
  - Evaporators & Evaporation Systems
  - Fume Hoods & Enclosures
  - Furnaces
  - Gas Generators
  - Gauges & Specialty Meters
  - Heating Equipment in Laboratory
  - Homogenizers & Generator Probes
  - Hoods and Enclosures
  - Humidity Meters & Instruments
  - Incubators
  - Light Meters & Lux Meters
  - Meteorology Instruments & Meters
  - Microscopes
  - Mills
  - Ovens
  - Oxygen Analysis
  - Petroleum Testing
  - Photodocumentation Equipment
  - Process Instrumentation & Controllers
  - Pumps
  - Refrigerators & Freezers
  - Shakers, Rockers, Rotators & Mixers
  - Sieves
  - Spectrophotometry Equipment & Supplies
  - Sterilizers & Autoclaves
  - Stirrers
  - Thermal Cyclers & PCR Equipment
  - Timers, Stopwatches & Clocks
  - Titrator Systems
  - UV Lamps
  - Viscosity Instruments
  - Water Purification & Deionization
  - Spare Parts for Lab Equipment by Manufacturer
  - More Lab Equipment
Lab Supplies
- - Adapters
  - Ampules & Ampule Openers
  - Bags
  - Beakers
  - Bottles & Containers
  - Brushes
  - Burets
  - Burners, Laboratory
  - Cell Culture Lab Supplies
  - Chromatography Products
  - Crucibles, Heating
  - Cryogenic Lab Supplies
  - Cylinders
  - Dialysis Lab Supplies
  - Dishes
  - Dissecting Instruments
  - Distillation Apparatus & Glassware
  - Extraction Apparatus & Accessories
  - Film & Foil Wrapping
  - Filtration Products
  - Flasks
  - Funnels
  - Furniture
  - Gas Sampling and Measuring Labware
  - Genomics & Proteomics Research
  - Medical Lab & Clinical Lab Supplies
  - Microbiology Lab Supplies
  - Microplates & Multi-Well Assay Storage Plates
  - Mortar and Pestle Sets
  - Pipets
  - Pipettors & Pipet Tips
  - Racks & Baskets
  - Samplers: Lab & Environmental
  - Software
  - Stands & Lab Supports
  - Stationery: Laboratory
  - Stopcocks
  - Stoppers, Lab & Industrial
  - Test Strips & Test Papers
  - Thermometers
  - Trays & Pans
  - Tubes
  - Tubing
  - Vials & Vial Inserts
  - Water & Wastewater Analysis Lab Supplies
  - More Lab Supplies
Reagents & Chemicals
- - Acids
  - Alcohol, Ethanol - Pure and Denatured
  - Chemical Testing Solutions
  - Desiccant & Drying Agents
  - Electronic & Semiconductor Grade Chemicals
  - Inorganic Reagent Chemicals
  - Karl Fischer Titration Reagents, Solvents & Standards
  - Organic Reagent Chemicals
  - Proteomics Research Reagents
  - Salts
  - Solvents
  - Specialty Chemicals
  - More Reagents & Chemicals
Microlithography
- - KemLab™ Photoresists
  - Photoresist Dispensing
Cleanroom & Safety
- - Abrasives
  - Adhesives
  - Apparel, Safety & Cleanroom
  - Cleaning Products - Lab & Cleanroom
  - Electronics Equipment & Tools
  - Eye Protection Safety Products
  - Fall Protection Safety Products
  - Fire Protection Products
  - Gas Detection & Measurement
  - Gloves & Hand Protection
  - Hearing Protection Products
  - Heating Equipment, Industrial
  - Material Handling Products
  - Matting - Cleanroom & Safety
  - More Industrial Products
  - More Lab Safety Products
  - Packaging & Shipping Products
  - Paint Application Products
  - Paper & Stationary - Cleanroom
  - Radiation Protection
  - Respiratory Protection Products
  - Spill Control Products
  - Static Control & ESD Protective Products
  - Tapes, Adhesive & Industrial
  - Waste Disposal Containers
By Manufacturer
- - Promotions by Manufacturer
  - Manufacturer Spare Parts & Accessories for Lab Supplies
  - Manufacturer Discontinued Items

Bel-Art 201971515 Safe-Lab® Hollow Teflon® Lab Stopper, 24/40 Standard Taper (Pack of 2)

Item Number:S6617-1

Manufacturer Part No:20197-1515

Manufacturer:ATS Life Sciences (formerly SP Bel-Art)

Units:2/Pack

Details

Hollow Teflon® TFE lab stoppers are ideal for use with many types of flasks including distilling flasks and boiling flasks.

Features a polypropylene extracting nut for safely removing the stopper from glassware

Reduces the risk of glass breakage from snug fitting ground joints.

Fits 24/40 Standard Taper Joints

Chemical resistant and autoclavable at 121° C (250° F) for sterile applications.

2/Pack

Size 24/40 Safe-Lab® Hollow Teflon® TFE Stoppers for Flasks with Ground Joints. Ideal for use with many types of flasks including distilling and boiling. Included polypropylene extracting nut safely removes the stopper, without risk of glass breakage, from snug fitting ground joints. Chemical resistant and autoclavable at 121°C (250°F) . Joint Size: 24/40. 2/Pack. Bel-Art® #: F201971515.

Documents & Videos

Size 24/40 Safe-Lab® Hollow Teflon® TFE Stoppers for Flasks with Ground Joints. Ideal for use with many types of flasks including distilling and boiling. Included polypropylene extracting nut safely removes the stopper, without risk of glass breakage, from snug fitting ground joints. Chemical resistant and autoclavable at 121°C (250°F) . Joint Size: 24/40. 2/Pack. Bel-Art® #: F201971515.