Available in various sizes, these borosilicate glass round bottom flasks have three vertical necks with Standard Taper outer joints. The side necks are 180° apart.

SYNTHWARE round bottom, heavy wall, flask with standard taper outer joint and threaded side port. All sizes are hand blown from tubing to ensure uniform wall thickness. Side port is for insertion of thermometer or bleed tube having an O.D. between 5mm and 7.5mm.

Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Round bottom flask with five necks arranged 3 in-line, one standard taper front and one #7 Ace-Thred front (ideal for suspending a thermometer or probe). All necks are vertical. Available in heavy wall. Supplied complete with a 5029-10 nylon bushing an

SYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

SYNTHWARE pear shaped, heavy wall, single neck flasks with a standard taper outer joint. All sizes are hand blown from tubing to ensure uniform wall thickness.

Round bottom flask with a single neck. Available in heavy wall.

RounRound Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5, 10, and 25mL, Joint: 14/10, Supplied with one open top compressioncap and one size 014 Viton O-ring and one PTFE-faced septad Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5,

Round bottom flask with four necks arranged 3 in-line and one at 90 degrees. 500ml and smaller flasks have angled side necks while larger sizes feature vertical necks. Available in heavy wall.

SYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the vertical side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

Round bottom, single neck flask with a beaded tube end well.

SYNTHWARE round bottom, heavy wall, three neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

Round bottom, single neck flask with Ace-Thred side port supplied with our 5029-10 nylon bushing and 7855-704 FETFE o-ring. Bushing is ideal for use with thermometers or bleed tubes of up to 7mm OD. Available in standard and heavy wall versions.

Angled two neck round bottom flask. Two-neck heavy wall flask with 24/40 Standard Taper outer joints Side neck is angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

With short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall.

Round bottom flask with four necks arranged 3 in-line and one 10/30 joint at 90 degrees. The 500ml size has angled side necks while all other sizes feature vertical necks. Available in heavy wall.

Round Bottom Flask, Micro Scale, Synthware, Capacity: 25, or 50mL available, Joints: 14/10 threaded.

Round bottom, three neck flask. Side necks are angled. Available in standard wall for more rapid heating or heavy duty for mechanical shock resistance. Microscale flasks, codes -34 & -36, feature 14/10, 20-400 externally threaded cap-seal joints supplied with 14.7-15mm holed caps, PTFE faced…

SYNTHWARE round bottom, heavy wall, three neck flasks with standard taper outer joints on both the center neck and the vertical side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.

With two vertical necks and a round bottom, these borosilicate glass flasks feature a side neck Standard Taper 24/40 outer joint. The center Standard Taper joint varies with flask capacity.

Ai 2L, 24/40 standard taper joint, heavy wall, round bottom 2-neck flask with one vertical 24/40 neck, and one angled 24/40 side neck. Glass material: high borosilicate glass 3.3.

KIMAX boiling flask with a short joint neck. Designed from ASTM Specification E1403, Type I, Class 4 requirements.

Round bottom flask with two socket joints.

Round bottom flasks, three vertical necks, spherical outer joints. Available in standard and heavy wall.

Borosilicate Glass Round Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.

Two neck, one center and on vertical side neck, round bottom flask with standard taper joints. Available in standard wall or heavy wall.

Boiling, flat bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass Feature uniform wall thickness for superior mechanical strength and shock resistance Ideal for boiling, heating and mixing in the laboratory

SYNTHWARE round bottom, heavy wall, two neck flasks with standard taper outer joints on both the center neck and the angled side neck. All sizes are hand blown from tubing to ensure uniform wall thickness.

Round bottom, two neck flask. Side neck is angled. Available in standard wall for more rapid heating or heavy duty for mechanical shock resistance.

Borosilicate Glass Flat Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.

SYNTHWARE flat bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.

Wide mouths allow easy access into these mixing bulb volumetric flasks for applications such as dissolving tablets and other solids. Mixing bulb in neck accommodates approximately one tenth of the flask’s total volume and is designed to aid in dissolving or mixing the contents of the…