Flasks (217 items)

Weighting rings, c-shape, lead Lead rings for stabilising vessels in a water bath. Coated with green Vikem® vinyl to protect glassware. For flasks 500 ... 2000 ml Int. Ø 61 mm Ext. Ø 97 mm Weight 6...

Weighting rings, O-shape, lead Lead rings for stabilising vessels in a water bath. Coated with red Vikem® vinyl to protect glassware. For flasks 500 ... 2000 ml Int. Ø 56 mm Ext. Ø 102 mm Weight 68...

Weighting rings, O-shape, lead LAB-Rings to stabilise glassware and plasticware on shakers or to immerse in water baths. Vinyl-coated lead rings will not mark or scratch benchtops and labware. For ...

Flask support rings, "BiBase", silicone elastomer Blue. Double sided. Sits firmly on the bench to support round-bottomed flasks. -Resistant to oxidation and temperatures from -60 to 200°C -Very sof...

Erlenmeyer flasks, Borosilicate glass 3.3, narrow neck -DIN ISO 1773 -With graduations and beaded rim Nominal capacity 5000 ml Neck Ø 50 mm Bottom Ø 220 mm Height 365 mm Standard ISO 1773 Colour Cl...

Erlenmeyer flasks, Borosilicate glass 3.3, narrow neck With labeling field. Nominal capacity 5000 ml Neck Ø 50 mm Bottom Ø 220 mm Height 365 mm Colour Clear Material Boro 3.3 Autoclavable Yes

Erlenmeyer flasks, DURAN® Super Duty, narrow neck With approximate graduations. Reinforced sturdy rim, and increased mechanical strength for heavy duty. Glass type I / neutral glass as per USP, EP ...

Erlenmeyer flasks, narrow neck, DURAN® DIN ISO 1773. With approximate graduations and beaded rim. From 50 ml with Retrace Code (Batch Identification), certificate available via the Internet. Erlenm...

Flat bottom flasks, DURAN®, narrow neck Uniform wall thickness distribution makes these beakers ideal for heating applications. Flat base means flasks can be set down without a supporting ring. Fla...

Round bottom flask, DURAN, narrow neck cap. 5000 ml

Boiling flasks, flat bottom, narrow neck, Pyrex® -Complies with ISO 1773 -Flat base for standing on benches and hotplates etc. -Manufactured from Pyrex® glass for high resistance to thermal shock -...

Erlenmeyer flasks, Borosilicate glass 3.3, narrow neck -DIN ISO 1773 -With graduations and beaded rim Nominal capacity 500 ml Neck Ø 34 mm Bottom Ø 105 mm Height 180 mm Standard ISO 1773 Colour Cle...

Erlenmeyer flasks, Borosilicate glass 3.3, narrow neck With labeling field. Nominal capacity 500 ml Neck Ø 34 mm Bottom Ø 105 mm Height 180 mm Colour Clear Material Boro 3.3 Autoclavable Yes

Erlenmeyer flasks, Borosilicate glass 3.3, wide neck -DIN ISO 24450 -With graduations and beaded rim Nominal capacity 500 ml Neck Ø 50 mm Bottom Ø 105 mm Height 175 mm Standard ISO 24450 Colour Cle...

Erlenmeyer flasks, DURAN® Super Duty, narrow neck With approximate graduations. Reinforced sturdy rim, and increased mechanical strength for heavy duty. Glass type I / neutral glass as per USP, EP ...