What size rubber stopper does it need?

The inner diameter at the top of this flask is 30mm. So 6 or 6.5 will work.

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Economy Glass Filtering Flask, 250mL - Borosilicate Glass - Conical Shape, with Integral Side Arm - White Graduations - Eisco Labs

Product ID: 28292375

Details

Material
Borosilicate
Capacity
250
Brand
Economy Glass
Bottom Shape
Round
Graduation Interval
50 Milliliters

📏250mL capacity

🔗Integral side arm

🧪Borosilicate glass

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COP 185518

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Material
Borosilicate
Capacity
250
Brand
Economy Glass

Description

🔬 Elevate Your Lab Game with Precision and Strength!

OPTIMIZED FIT - 24.5mm inner diameter neck for a secure stopper fit, perfect for pressure applications.
ROBUST DESIGN - Heavy wall construction ensures safety under vacuum pressure.
INDUSTRIAL STRENGTH - Crafted from high-quality borosilicate 3.3 glass, resistant to breakage and thermal shock.
PRECISION MEASUREMENT - Easy-to-read white enamel graduations every 50mL for accurate results.
VERSATILE CONNECTIVITY - Adaptable side arm for seamless integration with 3/8" tubing.

The Eisco Labs Filtering Flask is a 250mL borosilicate glass conical flask designed for durability and precision. Featuring an integral side arm for easy tubing connection, heavy wall construction for safety, and optimized neck design for secure stopper fitting, this flask is perfect for both industrial and laboratory settings. Its excellent chemical durability and ability to withstand high temperatures make it a reliable choice for any professional.

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