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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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

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

Product ID: 28292375

Details

Bottom Shape
Round
Brand
hBARSCI
Capacity
250 ml
Graduation Interval
50 ml
Material
Borosilicate

🔗Integral side arm for seamless tubing fit

🧪250mL precision capacity

🛡️Heavy wall borosilicate glass for vacuum safety

€ 53.28

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧬 Elevate your lab game with precision and durability that means business.

INDUSTRIAL GRADE DURABILITY - Microwavable, autoclavable, and resistant to thermal shock and chemicals.
SEAMLESS TUBING INTEGRATION - Integral side arm fits standard 3/8" tubing for hassle-free vacuum setups.
VACUUM READY HEAVY WALL DESIGN - Thick borosilicate glass withstands high vacuum pressure without compromise.
OPTIMIZED NECK FOR SECURE SEALING - 24.5mm opening guarantees a tight stopper fit under pressure (stopper sold separately).
PRECISION GRADUATIONS FOR ACCURATE MEASUREMENT - White enamel markings every 50mL ensure flawless volume tracking.

The Economy Glass Filtering Flask is a 250mL conical borosilicate glass flask featuring integral side arm tubing compatibility, heavy wall construction for vacuum safety, and clear white graduations for precise measurement. Engineered for industrial use, it withstands thermal shocks, chemical exposure, and autoclaving, making it a reliable choice for professional labs.

Specifications

ASIN	B00FRK6SE0
Best Sellers Rank	#560,113 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #49 in Lab Filtering Flasks
Bottom Shape	Round
Brand Name	hBARSCI
Capacity	250 ml
Customer Reviews	4.2 4.2 out of 5 stars (24)
Global Trade Identification Number	00849230062941
Graduation Interval	50 ml
Item Dimensions D x W x H	3.4"D x 3.4"W x 5.8"H
Item Weight	6.4 ounces
Manufacturer	Economy Glass
Material Type	Borosilicate Glass
Model Number	FL2402-1
Number of Items	1
Part Number	FL2402-1
Shape	Conical
UPC	849230062941

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