10 Best Flask Laboratory With Stopper In The Us - Black Friday 2024
Best Choice1
HUAOUHUAOU 3pcs Glass Erlenmeyer Flask Set, 50ml 150ml 250ml Laboratory Flask with Stopper, Lab Chemistry 3.3 Borosilicate, Narrow Mouth, Printed Graduation, Conical Flask with Cleaning Brush
Main highlights- Widely Application: Bottles with lid can be used for professional scientific experiment and school classroom lab, also suitable for food container, candy storage, plant propagation, yeast culture, decanter. Party supplies for Christmas, Halloween, kids birthday, wedding, science themed party.
- Stable Design: Science glassware flask sets can withstand high temperature, making them suitable for heating on hot plates, flames, ovens, microwaves. Flask kits chemical resistance ensures safe experimentation without the risk of damage.
- Premium Material: Type I requirements, Type 1 Class A 3.3 Borosilicate Glass, ASTM Specification E960. Heavy-duty rim, narrow mouth, printed graduation and large label area, erlenmeyer flasks are durability and precision, against corrosive acids and alkalis, ensure accurate measurement and safety performance in experiment.
- Multiple Sizes: Include 1pc cleaning brush + 3pcs labware flasks in varying capacities. 50ml/1.7oz - 1.96in(50mm) x 3.54in(90mm); 150ml/5oz - 2.75in(70mm) x 4.53in(115mm); 250ml/8.45oz - 3.26in(83mm) x 5.51in(140mm), ensuring you have the right size for any tasks.
9.7Exceptional
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Value for Money2
HUAOUHUAOU Scientific 150ml Erlenmeyer Conical Flasks Set with Ground Glass Stoppers, Graduated 3.3 Borosilicate Glass, Pack of 3
Main highlights- Size (Diameter x Height): 2.75in (70mm) x 4.53in (115mm).
- Package contains: 3 pack 150ml conical flasks, each flask with a matching glass stopper, which is more suitable for the analysis of volatile substances and experiments that cannot use cork or rubber stopper.
- Material: these flasks of great quality are made of 3.3 Borosilicate glass, with high chemical durability and low thermal expansion, which can withstand the high temperature and thermal shocks. Microwavable and autoclavable.
- Features: thick glass, heavy duty rim, smooth surface, wide stable base, fadeless white graduation.
9.6Exceptional
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3
Saim1-Hole Rubber Stopper, 6 PiecesTapered Lab Seal Tube Stopper Plug 27mm to 34mm Bottle Stopper for Test Tube Flasks Glass Containers Industry, Laboratory - Black
Main highlights- Wide Application: The Rubber Tapered Plugs are ideal for use in laboratories with flasks and test tubes. They can also serve as bottle stoppers, pipe stoppers in the medical and chemical industries, sewer plugs, water pipe plugs, or drain plugs.
- Thoughtful Design: Our plug features a conical design that ensures easy installation and a reliable sealing performance. It is flexible, durable, and resistant to cracking, shrinking, hardening, or breaking. The center hole allows for easy insertion of a glass tube, catering to your specific needs.
- Reliable Material: Crafted from high-quality rubber,solid rubber stoppers are designed to provide excellent sealing and a close fit, ensuring reliability and durability.
- Perfect Size: Each tapered plug measures Bottom Diameter: Top diameter: 34mm -- Bottom diameter: 27mm -- Hight: 25mm The package includes 6 x Rubber Tapered Plugs, offering versatility for various applications.
- Important Note: Please carefully check the product's size before ordering. Additionally, the product may have a slight smell, which can be reduced by placing it in a well-ventilated area before use.
9.4Excellent
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4
SKYPROErlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs
Main highlights- 【Superior Quality】- Our Silicone Plugs are made of high-grade materials to ensure their safety and durability, you can trust in their excellent quality and performance. With a user-friendly design in mind. Their suitable shape allows for easy insertion and removal, saving you time and effort.
- 【Size】- Our Silicone Stoppers are small in size and light in weight, convenient to store and use.
- 【Package Included】- 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs; Totally 10Pcs silicone stoppers.
- 【Feature】- High elasticity, good insulation and sealing performance, high temperature resistance ,acid and alkali resistance, will not dissolve and swell in acidic liquids. Our Erlenmeyer Flask Stoppers are smooth and gentle, providing a secure seal without causing any harm to your valuable equipment.
- 【Application】- Designed for a wide range of laboratory equipment, these Silicone Stoppers are perfect for test tubes, flasks, and other bottles that require a secure seal. Can be used to block glass ports, pipe mouths, fish tank openings, etc.
9.1Excellent
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5
Young4usYoung4us Glass Erlenmeyer Flask Set, (250 ml, 150 ml & 50 ml) Graduated Borosilicate Glass Erlenmeyer Flasks with Rubber Stoppers & Accurate Scales for Lab, Experiment, Chemistry, Science Studies etc
9.1 Precision8.9 worth the money8.2 DurabilityWhy we love it
3 Rubber Stoppers included
Accurate scales
Reusable Eco friendly
9.0Excellent
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6
Karter ScientificGlass Erlenmeyer Flask Set with Rubber Stoppers - 3 Sizes - 50, 150 and 250ml, Karter Scientific 214U8
Main highlights- Rubber Stopper included
- High quality inert 3.3 borosilicate glass
- Contains 1 each 50, 150 and 250ml Flask
- ASTM Specification E960, Type I requirements
8.8Very Good
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7
stonylabStonyLab Solid Rubber Stoppers, 5-Pack 8# White Tapered Lab Seal Rubber Stoppers, Fits StonyLab 500ml Erlenmeyer Flask
Main highlights- StonyLab ensures high quality products and premium customer service; If received damaged, please contact us immediately; We will solve it until satisfied
- Please read the dimension description image carefully before making a decision (might have 1mm measurement error)
- Please note these rubber stoppers are NOT food grade
- Our StonyLab White Rubber Stoppers provide exceptional seal for many applications. Fits all StonyLab or erlenmeyer flask
- Exhibit excellent resilience and retain pliability over a long period
8.5Good
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8
stonylabstonylab 1-Pack Glass 50 ml Heavy Wall Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim - (50ml Fits with StonyLab 4# Rubber Stopper)
Main highlights- StonyLab is focused on providing high quality lab supply and superior customer service
- Material is Borosilicate Glass
- High quality material and perfect handcraft
- Capacity is 50ml/100ml/250ml/500ml
8.2Good
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9
FUNOMOCYAFUNOMOCYA 5pcs Erlenmeyer Flask Stopper Silicone Stopper Plug Rubber Plugs for Conical Flask Plugs stoppers for Bottle Laboratory Supplies Test Tube Stopper Accessories Seal White
Main highlights- Wine bottle corks-- multi-functional and versatile, can be used for professional and personal use.
- Test tube stopper-- manufactured with premium material, with excellent durability and practicality.
- Test tube plugs-- smooth and durable, will not do damage to the bottles or test tubes in laboratory.
- Flask sealer-- material, which can be safely and durably used for a long time.
- Conical flask plugs-- small and compact, easy to store and use, not taking up any space of home or laboratory.
8.0Good
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10
stonylabstonylab Plastic Stoppers, 3-Pack Universal Fit Lab Stopper for Volumetric Flask Separatory Funnel with 24/40 Joint, Durable Lab Glassware Seal
Main highlights- Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied
- Universal Compatibility: designed to fit 24/40 outer joint laboratory glassware, these stoppers ensure a secure seal for volumetric flasks and separatory funnels
- Premium Construction: crafted from premium plastic, these stoppers boast excellent resistance to both acids and alkalis, enhancing longevity and durability in various laboratory conditions
- Convenient and User-Friendly: with their lightweight and flexible design, StonyLab plastic stoppers are not only easy to handle and apply but also simple to transport and store
- 3-Pack Set: this set includes 3 stoppers, each with an inner diameter of 24 mm, providing an essential supply for busy laboratories and educational settings
7.7Good
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