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Pear shaped flasks for your lab's boiling, distilling, and evaporating needs are supplied at VWR. Borosilicate glass flasks are offered with heavy wall construction and may be uncoated or polycoated for durability. Outer standard taper joints may be ground or tooled for strength and stability. Select a single vertical neck or two necks, one vertical and one angled. A variety of capacities including microscale options are offered, as well models for use in rotary evaporators. Purchase pear shaped flasks individually.

Pear shaped flasks for your lab's boiling, distilling, and evaporating needs are supplied at VWR. Borosilicate glass flasks are offered with heavy wall construction and may be uncoated or polycoated for durability. Outer standard taper joints may be ground or tooled for strength and stability. Select a single vertical neck or two necks, one vertical and one angled. A variety of capacities including microscale options are offered, as well models for use in rotary evaporators. Purchase pear shaped flasks individually.


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Product Image-LENZ03222122

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 25 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 40 mm

Catalog Number: (LENZ03222122)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 25 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 40 mm
UOM: 1 * 1 items
Product Image-LENZ03222149

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 250 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 85 mm

Catalog Number: (LENZ03222149)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 250 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 85 mm
UOM: 1 * 1 items

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Product Image-LENZ03222137

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 100 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 64 mm

Catalog Number: (LENZ03222137)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 100 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 64 mm
UOM: 1 * 1 items
Product Image-LENZ03221149

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 200 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 85 mm

Catalog Number: (LENZ03221149)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 200 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 85 mm
UOM: 1 * 1 items
Product Image-271-1233

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 50 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 50 mm

Catalog Number: (271-1233)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 50 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 50 mm
UOM: 1 * 1 items
Product Image-271-1234

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 100 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 64 mm

Catalog Number: (271-1234)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 100 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 64 mm
UOM: 1 * 1 items
Product Image-271-1232

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 25 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 40 mm

Catalog Number: (271-1232)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 25 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 40 mm
UOM: 1 * 1 items
Product Image-LENZ03222128

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 50 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 50 mm

Catalog Number: (LENZ03222128)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, two necks, 50 ml, Centre neck: 19/26 NS, Side necks: 14/23 NS, Ext.Ø: 50 mm
UOM: 1 * 1 items
Product Image-201-1223

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 50 ml, Socket size: 14/23 NS, Height: 110 mm, Ext.Ø: 50 mm

Catalog Number: (201-1223)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 50 ml, Socket size: 14/23 NS, Height: 110 mm, Ext.Ø: 50 mm
UOM: 1 * 1 items
Product Image-201-1221

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 10 ml, Socket size: 14/23 NS, Height: 75 mm, Ext.Ø: 30 mm

Catalog Number: (201-1221)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 10 ml, Socket size: 14/23 NS, Height: 75 mm, Ext.Ø: 30 mm
UOM: 1 * 1 items
Product Image-201-1222

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 25 ml, Socket size: 14/23 NS, Height: 90 mm, Ext.Ø: 40 mm

Catalog Number: (201-1222)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 25 ml, Socket size: 14/23 NS, Height: 90 mm, Ext.Ø: 40 mm
UOM: 1 * 1 items
Product Image-201-1224

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 100 ml, Socket size: 14/23 NS, Height: 125 mm, Ext.Ø: 64 mm

Catalog Number: (201-1224)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 100 ml, Socket size: 14/23 NS, Height: 125 mm, Ext.Ø: 64 mm
UOM: 1 * 1 items
Product Image-201-0320

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 5 ml, Socket size: 14/23 NS, Height: 75 mm, Ext.Ø: 26 mm

Catalog Number: (201-0320)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 5 ml, Socket size: 14/23 NS, Height: 75 mm, Ext.Ø: 26 mm
UOM: 1 * 1 items
Product Image-201-0322

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 100 ml, Socket size: 19/26 NS, Height: 125 mm, Ext.Ø: 64 mm

Catalog Number: (201-0322)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 100 ml, Socket size: 19/26 NS, Height: 125 mm, Ext.Ø: 64 mm
UOM: 1 * 1 items
Product Image-201-1040

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 250 ml, Socket size: 14/23 NS, Height: 200 mm, Ext.Ø: 85 mm

Catalog Number: (201-1040)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 250 ml, Socket size: 14/23 NS, Height: 200 mm, Ext.Ø: 85 mm
UOM: 1 * 1 items
Product Image-201-1042

Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 250 ml, Socket size: 19/26 NS, Height: 200 mm, Ext.Ø: 85 mm

Catalog Number: (201-1042)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, pear-shaped, with standard ground joint, DURAN® Borosilicate glass, single neck, 250 ml, Socket size: 19/26 NS, Height: 200 mm, Ext.Ø: 85 mm
UOM: 1 * 1 items
Inquire for Price
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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