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Long Neck Flat Bottom Flask, 100-2000 ml
Long Neck Flat Bottom Flask, 100-2000 ml
About this item
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Versatile Lab Use: lab-grade flat-bottom flask for solution preparation, reagent storage, gentle heating, and short-term synthesis/reaction work
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Flat-Base Compatibility: stable flat base for direct use on hotplates, magnetic stirrers, or benchtop without additional support
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Material: borosilicate 3.3 glass: high thermal tolerance and excellent resistance to acids and alkalis; reusable and chemical-resistant
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Capacity & Neck: available 100 ml, 250 ml, 500 ml, 1000 ml, 2000 ml; long-neck geometry reduces evaporation and minimizes splash during mixing or heating
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Quality & Service: stonylab lab-grade manufacturing and customer support; contact us for damaged items - satisfaction assistance provided
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1-Year FREE Warranty
1-Year FREE Warranty
Rest easy knowing that all web registered members receive a 1 year of full coverage on all purchases, with additional protection options available for equipment.
FREE Return
FREE Return
Enjoy 30-day free return on most regular orders. Check our Return Policy for full details and easy return steps.
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FREE US Shipping
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Best Price Promise
Best Price Promise
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Contact Us
Contact Us
100% Satisfaction! Please feel free to contact us anytime. All your questions will be answered within timely manner.

I ordered this for breading vinegar eelsFor my Ricefish works well for what I want it for
High quality glassware.Very strong sturdy flask. Great value. Great product.
Quality item
Product was pure and shipping was faster than expected
I've used this on a hot plate, over an alcohol lamp, in a water bath, and a boiler. It has held up. Arrived without flaws and has performed well.
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