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Best Lab Volumetric Flasks

213W12 Karter Scientific 1000ml Volumetric Flask w/ Ground Stopper
Karter Scientific® is a registered trademark in United States of America.
Reviews
"Yeah, I keep booze in these, so if you're looking for a review about lab suitability, keep scrolling."
"Bought for a kids birthday party, not bad for the price but don't expect high quality."
"Sturdy and came well packed!"
"This had some strange sticky Brown stuff all over it."
"Exactly what my wife wanted to water her plans."
"Came a bit scratched up but other than that it's just as advertised."
"I will be using for chemistry storage so heat capability is not an issue."
"I've been using it with a 1" Teflon stirbar (round) on a non-heated stir plate and have found chips/cracks in the bottom of the flask after 4-5 uses (less then 4 months old)."
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213W7 Karter Scientific 500ml Volumetric Flask w/ Ground Stopper (Pack of 2)
Reviews
"I've been using this for a few months now and have had no problems with cracking even with major sudden temperature changes."
"You can see the join between the stem and the glass, they're thin, and they show every blemish from manufacturing."
"Comes with a stopper which is separately packed in the box."
"Cheap volumetric flask but good for general purpose you get what you pay for."
"Used as wedding decorations for science themed candy table."
"Seems like a good deal."
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Volumetric Flasks, 500ml Pack of 6
Volumetric flasks are used to make up and store precise volumes of a solution and have a single graduation line to indicate volume, calibrated to be accurate at 20 C. These flasks include a ground-glass stopper for air-tight storage.
Reviews
"Any time I order anything glass, there is always the fear of getting a broken item."
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Best Lab Filtering Flasks

American Educational Clear Borosilicate Glass 1000mL Bomex Filtering Flask
The Bomex filtering flasks have a narrow mouth, tooled top finish and made of clear borosilicate glass.
Reviews
"The glass doesn't appear to have any bubbles or other imperfections that would compromise the integrity of the glass while under vacuum."
"Awesome for the price."
"Delivered as expected."
"great extra heavy wall dist flask nice."
"In one section it says they take #6 stoppers, standard 1000mL side-arm flasks from other manufacturers take #8 stoppers (what I bought), and another place in the description says #10 stoppers."
"Very nice quality."
"Nice flask at a great price."
"Safely packaged, works as expected."
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Best Lab Dewar Flasks

U.S.SOLID 10L Cryogenic Container Liquid Nitrogen LN2 Tank Dewar with Straps 6 Canisters
Any skin contact with liquid nitrogen will result in cold burns. A dewar tank is a double-walled flask of metal or silvered glass with a vacuum between the walls, used to hold liquids at well below room temperature.
Reviews
"Good quality and nice cover."
"works very, very well."
"Very good container with low loss."
"The styrofoam insert which helps insulate the top of the bottle seems to work well."
"Very slow dissipation of liquid nitrogen, especially with Styrofoam insert under the lid."
"Worked well for us and lasted about 60 days."
"Using the provided canisters was not easy to use as the container mouth is narrow."
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Best Lab Boiling Flasks

Corning Pyrex Borosilicate Glass Flat Bottom Boiling Flask, 250mL Capacity
7740 Pyrex brand clear borosilicate glass for durability and chemical- and temperature-resistance, and its uniform wall thickness provides mechanical strength for shock-resistance. 7740). Capacity. 250mL. Stopper size. #5. Top style. Tooled mouth. Working temperature. 230 degrees C. Dimensions. 134mm height, 82mm OD. Flasks are glass or plastic containers for storing or collecting chemical samples or solutions in scientific laboratories.
Reviews
"Exactly as pictured... Nice and thick, especially around the top."
"I enjoy making my on essential oils using steam distillation."
"Very thick glass, well made."
"i use this as a vase and love it."
"I bought a petri dish to use as a soap dish, along with this flat bottom flask for a toothbrush holder, and beaker for a glass."
"Exactly as pictured."
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Best Lab Recovery Flasks

Chemglass CG-1512-X-13 Series CG-1512-X Heavy Wall Wide Mouth Recovery Flask, Single Neck, GL80 Glass Thread, 24/40 Connecting Adapter, 3000 mL Capacity
PTFE adapter has FDA grade silicone gasket behind a PTFE envelope type seal so that liquid or powders are only exposed to glass or PTFE.
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Best Lab Spinner Flasks

Corning 4502-6L Borosilicate Glass 6L Proculture Spinner Flask, with 120mm Flat Center Cap and 2 Angled Sidearms
The patented 'stretch' impeller design ensures optimal stirring, and the side baffles enhance aeration and agitation of the flask contents. The sidearm design permits easy access of 25 and 50mL pipets. The vessel is made of borosilicate glass and the caps of polypropylene, with a polysulfone shaft with a Vortex Impeller paddle assembly. It has consistent height to width ratios for greater predictability.
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Best Lab Erlenmeyer Flasks

Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific 214U2
Karter Scientific® is a registered trademark in United States of America.
Reviews
"It would be nice if they had rubber stoppers or tops."
"Used this to put rock candy inside to use for "blue meth" from Breaking Bad."
"Everything was perfect for my granddaughters MC2 Birthday Party."
"This is a three piece set, great quality, exactly as pictured."
"Smaller than I expected but that makes them cuter."
"Great Science Party Accessory!"
"The 250 mL flask arrived with a big chip out of the lip, I could not find the broken piece, leading me to believe that it was packaged broken, there is also a big crack in the side of it."
"broke quickly after couple of days of use."
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Best Lab Freeze Dry Flasks

Labconco Fast Freeze 7540800 Borosilicate Glass Wide Mouth Flat Bottom Complete Flask, 600ml Capacity
A complete Fast-Freeze Flask consists a rubber top, glass bottom and a supply of filter paper.
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Best Lab Kjeldahl Flasks

Corning Pyrex Borosilicate Glass Round Bottom Kjeldahl Flask with Long Neck, 200ml Capacity (Case of 24)
These 300mL PYREX Kjeldahl flasks have tooled finished necks for extra strength and uniform rubber stopper (No.
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Best Lab Cell Culture Flasks

Kimble Glass Baffled Culture Flasks, 250ml Capacity (Case of 6)
Capacity: 250 milliliters |. Item Shape: Conical |. Number of Items: 6 |. Part Number: 25630-250.
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Best Lab Distillation Flasks

SEOH Retort Borosilicate Glass 1000 ml Distillation Hex Stopper
Texas Residents: Under Texas State Law, this product requires a Precursor Chemical/Laboratory Apparatus NAR-120 permit to ship to a Texas address.
Reviews
"1st one arrived broken in shipment, immediate replacement sent upon notification to SEOH."
"retorts can have a number of different features that can make them better suited than others, what I like about this one is that it is made of high quality glass, which can take the heat."
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Best Lab Reaction Kettle Flasks

Pyrex 6947-4L Borosilicate Glass Cylindrical Resin Reaction Kettles Flask with Covers, Four-Neck Standard Taper Joints (3x 24/40 and 1x 34/45), 4000ml Capacity (Case of 1)
These 4000mL PYREX kettles have covers with four openings to accommodate 24/40 Standard Taper joints.
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