Heathrow Scientific 2306A-250 Volumetric Flask, Class A, Glass Stopper, 250 mL, 4/pk
SKU: 14763162554

Heathrow Scientific 2306A-250 Volumetric Flask, Class A, Glass Stopper, 250 mL, 4/pk

Sale price$85.72 Regular price$95.24
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 4 - Jul 9

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Heathrow Scientific 2306A-250 Volumetric Flask, Class A, Glass Stopper, 250 mL, 4/pkThese volumetric flasks feature machine blown bodies and heavy beaded, heavy tubing necks that are tooled for standard taper glass stoppers. Our flasks are constructed of premium borosilicate glass, ensuring exceptional clarity and resistance to chemical interactions. Each volumetric flask is supplied with a standard taper glass stopper which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also

These volumetric flasks feature machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers. Our flasks are constructed of premium borosilicate glass, ensuring exceptional clarity and resistance to chemical interactions. Each volumetric flask is supplied with a standard taper glass stopper which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also enhances the reliability of your volumetric measurements.

Features:
Made of premium borosilicate glass with a low coefficient of expansion
Designed “to contain” with a temperature of calibration at 68°F (20°C)
The graduation line is sharply defined and of uniform width
Each flask has a large marking square and includes a glass stopper
Wide range of sizes available (5 mL to 2000 mL)
Meets ASTM E-288 Class A specifications & USP standards for glassware

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 14763162554

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Jeniffer castro
Lowell, US
★★★★★ 5
Sturdy & easy to move around
Its solid & sturdy. It does exactly what it’s supposed to. You have the option to fill it up with water or sand , I choose water. It holds the umbrella in place. The wheels and handle make it really easy to move around, which is a huge plus. It fits perfectly and feels very well made. Great addition for my pool area!
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Reviewed in the United States on April 18, 2026
H
Verified Purchase
HV
Omaha, US
★★★★★ 5
Heavy-Duty Base with Convenient Mobility
This umbrella base does exactly what it’s supposed to—keeps the umbrella stable while still being easy to move around when needed. Once filled with water/sand, it feels solid and secure even on slightly windy days, which gives peace of mind. The built-in wheels are a standout feature. Moving the base across the patio is smooth and doesn’t require much effort. The handle placement is well thought out, making repositioning quick and hassle-free. Overall, it’s a great balance of stability and convenience. Highly recommend if you want a sturdy base without sacrificing mobility.
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Reviewed in the United States on March 31, 2026
C
Verified Purchase
Chiranjeev Shah
Houston, US
★★★★★ 5
The base that fits!
Finally, easy to put together and the right fit just before summer. It was extra windy so I put extra weight.
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Reviewed in the United States on March 23, 2026
C
Verified Purchase
colonel227
Alexandria, US
★★★★★ 5
Holds up in high winds
Easy set up and holds umbrella in high winds
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Reviewed in the United States on April 5, 2026
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Verified Purchase
Bela.blue.reviews
Waukegan, US
★★★★★ 5
Sturdy umbrella base
Sturdy umbrella base. Heavy duty and should not blow over in the wind. Will hold up for years.
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Reviewed in the United States on March 23, 2026

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