This category covers reusable glass apparatus for teaching, research and quality control labs. It includes test tubes in light-wall, rimless, side-arm and screw-cap styles (bakelite caps with rubber liners), graduated glass centrifuge tubes with stoppers or screw caps, crystallizing dishes, glass Petri dishes, evaporating basins, calibrated pycnometers, 300 mL B.O.D. bottles, and ground-joint pieces such as Claisen, vacuum, reducing and expansion adapters and stoppers. Larger setups include Soxhlet extraction apparatus, Kjeldahl distillation sets, water-jacketed flasks, distillation apparatus and organic chemistry glassware kits, plus porcelain and plastic spot plates.

Check the glass type first: borosilicate handles heating and temperature changes far better than soda glass. Match ground-joint sizes exactly, such as 24/40 or 29/42, so adapters, stoppers and flasks fit. Compare capacity, dimensions, wall thickness, graduation or calibration, closure type and pack quantity, and confirm the speed rating before using glass tubes in a centrifuge.

Reusable Glassware: common questions

What is a crystallizing dish used for?

A crystallizing dish is a shallow, flat-bottomed glass dish with straight sides. It is used to evaporate solutions so crystals can form, and also as a water or ice bath, a cover dish, or a container for holding small items. Borosilicate dishes can be heated gently, and versions with a spout make pouring easier.

When should I use glass centrifuge tubes instead of plastic?

Glass centrifuge tubes are chosen for organic solvents that attack plastics, for work where plastic leachables could interfere, and when tubes will be cleaned and reused. They can break under high forces, so use them only within the speed or g-force rating given by the maker, with properly fitting adapters or cushions in the rotor.

What does 24/40 mean on lab glassware?

24/40 is a standard taper ground-glass joint size. The first number is the approximate diameter in millimeters at the wide end of the joint, and the second is the length of the ground section in millimeters. Male (cone) and female (socket) joints with the same numbers fit together, and reducing or expansion adapters connect different sizes.

What is the difference between borosilicate and soda-lime glass?

Borosilicate glass has low thermal expansion, so it tolerates heating and rapid temperature changes much better than soda-lime glass and is more resistant to chemical attack. Soda-lime glass costs less and is used for items that are not heated, such as some jars and display pieces. For heating, autoclaving or flame work, choose borosilicate.

Reusable Glassware

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  1. Bellco Glass, Inc - Stainless Steel Thermowell,15L
    Manufacturer: Bellco Glass Inc
    Accessory That Fits Thru A Headplate And Holds The Rtd Sensor Which Monitors The Temperature In A Bioreactor. These Thermowells Are Designed Specifically For The Bellco Control Systems And Fit Through A 5/16" Fitting On The Stainless Steel Headplate. (1 per EA )
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    $404.74
  2. Omni Sample Port Assembly For Large Flange Headplates
    Manufacturer: Bellco Glass Inc
    The bellco sample system attaches to the headplate of a bioreactor allowing the user to take repeated aseptic samples into a standard 50ml disposable conical tube. The sampler is designed to connect to an existing pipe by mounting under the nut of a headplate stud. Samples are taken by evacuating air with the supplied syringe & filter, thereby drawing culture into the 50ml disposable cent. tube. The Bellco Sampler can be used on third party vessels that meet the arm and clearance dimensions. For Omni Vessels. (1 per EA )
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    $462.11
  3. Large Flange Flat Bottom Omni Vessel,8L
    Manufacturer: Bellco Glass Inc
    8L FLAT BOTTOMED OMNI VESSEL 238 x 400mm TAKES 200mm LARGE FLANGE HEADPLATE. LARGE FLANGE OMNI VESSELS FOE USE WITH STAINLESS STEEL HEADPLATE, 5L THRU 36L. HEAVY WALLED CONSTRUCTION FOR CELL CULTURE AND FERMENTATION APPLICATIONS HEAVY DUTY O-RING FLANGE CREATES POSITIVE SEAL FOR USE WITH STAINLESS STEEL HEADPLATE, O-RING AND LOCKING CLAMP. Qty: 1 ea. (1 per EA )
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    $1,774.81
  4. Glass Ball Spinner Complete,250mL
    Manufacturer: Bellco Glass Inc
    Description: Glass Ball Spinner Comp, 250mL Size: 250mL Material: Type 1 Class A Borosilicate Glass Flask Dimensions: 85mm OD x 140mm OAH, two 32mm sidearms offset at 55º, 70mm center neck Includes two 32mm blue PP screw caps & two 32mm blue PP pouring rings Impeller Assembly: one 70mm blue PP screw cap, 70mm Teflon cap seal, 70mm blue silicone sealing gasket, soft silicone flex tube, glass ball magnet tube, and magnet Specially Formed Bottom Indent Prevents Accumulation under impeller Glass ball houses a magnet for gentle agitation of Micro carrier Beads (1 per EA )
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    $326.80
  5. Digital Roller Apparatus Base Only 230V
    Manufacturer: Bellco Glass Inc
    The Bellco Cell Production Roller Apparatus has been designed for production of animal cells, viruses, and cell products. Modular units are available from 5 to 45 bottle positions and allow easy expansion with modular add-on decks. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. Rollers have a key design to eliminate slipping and are easily removable for servicing of bearings. Rollers are formulated from a chemical-resistant non-slip EDPM. All units feature a solid state control with heavy-duty DC motor and digital display. All Position Drives are for use with plastic roller bottles to prevent slipping of the light-weight bottles. Roller Shaft Construction: Non-transferring chemical-resistant rubber rollers with key-shape. Clearance between Decks for Bottle Placement: 134 mm. Construction Material: Aluminum, enamel finish. Usable Roller Length: 51 cm. Brushless motor with controller for smooth operation and no maintenance. Easy-to-remove roller bar assembly (tool provided). Digital LCD display. Locking speed control knob. All position drives. Accepts all Bellco Roller Bottles (glass or plastic* in 110mm or 120mm diameter). Battery backup provides 18 hour service (typical at 2 RPM). Battery backup includes both audible and visual indicators. Motion Alarm (1 per EA )
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    $3,745.44
  6. Bellco Glass, Inc - 8L Bello Control Systems Flat Bottom System,115V
    Manufacturer: Bellco Glass Inc
    Bellco Control System, Flat Bottom. The Bellco Stainless Steel Shaft Conversion Kit is designed to convert your standard glass shaft to stainless steel on 1967 and 1965 Spinner Flasks. Sizes range from: --100 mL to 36 liters for 1965 spinners --100 to 3000 mL for 1967 spinner flasks Material: --316L Stainless Steel 1965 & 1967 Series Micro-Carrier Spinner Flask 8L 8L BCS Flat Bottom System 115v (1 per EA )
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    $39,352.92
  7. L-Bubbler Tube w/holes,8L (10 .040 holes)in
    Manufacturer: Bellco Glass Inc
    L-bubbler tube with drilled holes for 8l ohd vessel (10) .040" holes for sparging Supplied with cap & comp. Fitting Dimensions: 18 1/2" x 4 3/4" x .250" od tube with hose barb end 316l SST material (1 per EA )
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    $301.96
  8. Flat Bottom Flange Vessel, 3L Bioreactor
    Manufacturer: Bellco Glass Inc
    Heavy walled construction for cell culture and fermentation applications. Heavy duty o-ring flange creates positive seal for stainless steel head-plate. For use with stainless steel head-plate, o-ring, and locking clamp. 3L. (1 per EA )
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    $888.10
  9. Roller Apparatus Base & 2 Decks, 230V Modular - 15 Pos
    Manufacturer: Bellco Glass Inc
    The Bellco Cell Production Roller Apparatus has been designed for production of animal cells, viruses and cell products. Modular units are available from 5 to 45 bottle positions and allow easy expansion with modular add-on decks. Non-modular production units come in 45 and 50 bottle positions with over 80,000 cm2 of surface area. Rollers have a key design to eliminate slipping and are easily removable for servicing of bearings. Rollers are formulated from a chemical-resistant non-slip EDPM. All units feature a solid state control with heavy-duty DC motor and analog tachometer. Non-modular production models feature rubber bumpers, handles and a slotted rear guard. (1 per EA )
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    $4,955.03
  10. Stopcock with standard ground joints, 5000-10000ml. 29/32
    Manufacturer: Eisco Scientific LLC
    Stopcock with standard ground joints, 5000-10000ml. 29/32 (1 per EA )
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    was $58.25 Special Price $47.39
  11. Overhead Drive Vessel 6Arms/4 Baffle 8L
    Manufacturer: Bellco Glass Inc
    Manufactured from Type 1 Class A Borosilicate glass. Includes 4 or 6 polypropylene blue screw caps 45mm and pouring rings, also 1 polypropylene blue cap 100mm for the center. Specifications: Material: Type 1 Class A Borosilicate Glass 100mm Center Neck Baffles: 4 Sidearms: 6 OD x OAH: 240 x 430mm (1 per EA )
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    $1,446.54
  12. Water Jacketed VSA Vessel 8L - 6 Side Arms 6 Vertical Sidearms
    Manufacturer: Bellco Glass Inc
    Ideal for use with water baths for precise temperature control. Supplied with 100mm center cap, sidearms cap, and pouring ring. Size: 8l Material: type 1 class a Borosilicate glass Dimensions of Water Jacketed: 300mm od x 440 oah Dimension of inner flask: 238mm OD x 420mm OAH. Dimensions: width including two hose barbs 396mm. Supplied with: 100mm center cap, 45mm caps and pouring rings. 2 - #4 hose connectors. 100mm screw thread H.W. neck. 6 - 45mm screw thread vertical side arms. Graduations:1500mL to 8000mL every 500mL. (1 per EA )
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    $4,112.41
  13. 5 Position Digital CPT Stir Complete,115V
    Manufacturer: Bellco Glass Inc
    Bell-ennium Magnetic Stirrers are designed for both cell cultures in spinner flasks as well as for general laboratory procedures requiring the use of magnetic stirring equipment. Bell-ennium stirrers offer the laboratory researcher a wide range of capabilities and the latest innovations in stirring technology. Bell-ennium stirrers feature brushless maintenance free DC motors with drive assemblies designed for quiet operation. Stainless steel covers are stamped to show the vessel positions for accurate placement and optimum performance. The Bell-ennium single position low profile chassis measure 10 x 11 x 3 3/8” and are designed to fit side-by-side in Bellco incubators. Units are powered by standard 24V in-line power supplies and are CE compliant. (1 per EA )
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    $2,617.03
  14. 9 Position Process Stirr Complete,115V
    Manufacturer: Bellco Glass Inc
    Bell-ennium Process Magnetic Stirrers are designed for both cell cultures in spinner flasks as well as for general laboratory procedures requiring the use of magnetic stirring equipment. The Front-End models are designed to position so that one flask is positioned behind the other, minimizing the width of the stirrer for limited space work areas. Bell-ennium stirrers feature brushless maintenance free DC motors with drive assemblies designed for quiet operation. Stainless steel covers are stamped to show the vessel positions for accurate placement and optimum performance. Heavy duty magnet assemblies provide the best magnetic coupling while timing belts on all positions insure smooth even stirring of vessel contents. The low profile chassis measure 11 x 20 x 3 3/8” and are designed to fit side-by-side in Bellco incubators. The PID process controller provides RS-485 communication with your existing lab network (software not included), as well as two alarm outputs for the optional Motion Alarm. Units are powered by standard 24V in-line power supplies and are CE compliant. (1 per EA )
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    $4,068.00
  15. Bellco Glass, Inc - Micro Oven w/o Rotisserie,115V
    Manufacturer: Bellco Glass Inc
    The Bellco Auto-blot Micro Hybridization Oven consists of an incubator with an integral rotisserie device. The rotisserie has the capacity for up to 4 large hybridization bottles or 8 small hybridization bottles. Alternatively, any combination of large or small bottles can be used. This Auto-blot Micro Hybridization Oven features an advanced temperature controller for precise control of oven temperature. Without Rotisserie Ext: 14”x17”x13” (35x42x32cm) 115v (1 per EA )
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    $3,175.94
  16. Large Flange Omni Paddle,5L
    Manufacturer: Bellco Glass Inc
    Blades and impeller assemblies are use for cell culture. Reduces shear in delicate cell culture. Manufactured from 316l stainless steel with electropolish finish. Ra 32 finish or better inside and out. Blade dimension: 5 3/4 x 2". Shaft oal: 6 3/4". MARINE IMPELLER INCLUDES 1/2" SHAFT AND IMPELLER BLADE. OMNI AND Z-Z PADDLES ARE ONE PIECE WELDED, 1/4" SHAFT (1 per EA )
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    $113.11
  17. Stainless Steel Sparge Assembly w/Frt 3/8 For 3L Bioreactor System
    Manufacturer: Bellco Glass Inc
    316l stainless steel sparger assembly with stainless steel frit for 3 liter bioreactor system. English threads Material: 316l SST with electropolish finish ra 32 or better tubing specifications: .250" od x .152" id Overall length: 10 43/64" Inseration Length: 9 1/4" With SST Frit - 10µ Supply with SST Nut & O-ring (1 per EA )
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    $643.39
  18. 3-Port Thermowell Assembly, 15L For VSA Vessels
    Manufacturer: Bellco Glass Inc
    Thermowell assemblies are used to hold inside one tube the rtd temperature sensor that monitors the temperature within the vessel in conjunction with a temperature controller. There are also tubes for addition of media and vent tube. For OHD 15L Vessel Material: 316L SST with Ra 32 or better - inside & out One Vent port: .250"OD x .152" ID x 1.0"above & below cap slug One Addition port: .250"OD x .152"ID x 15 15/16" insertion length One Thermowell port: .375"OD x .305"ID x 15 15/16" insertion length All tubes seam weld in to cap slug - bottom side only Supply with 45mm PP blue open top screw cap & white silicone gasket (1 per EA )
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    $388.17
  19. Stainless Steel 1/4 Port Plug For 3L & 7L Bioreactor Systems
    Manufacturer: Bellco Glass Inc
    Stainless steel port plug fits onto stainless steel head plate for 3 & 7 liter bioreactor vessel Material: 316l SST with electropolish finish 1/2-20 tpi threads For 3l & 7l bioreactor systems - English threads For 1/4" port on headplate (1 per EA )
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    $140.41
  20. Low Profile Thermowell Assembly 6L For Vertical Overhead Drive Vessels
    Manufacturer: Bellco Glass Inc
    Thermowell assemblies are used to hold inside one tube the rtd temperature sensor that monitors the temperature within the vessel in conjunction with a temperature controller. There are also tubes for addition of media and vent tube. 45mm THERMOWELL ASSY FOR L/P 6L VESSEL, SEAM WELDED - ELECTROPOLISH FINISH, 316L SST MATERIAL, SUPPLY WITH S/CAP (A523-599) & WHITE SILICONE LINER (A523-600), 1- THERMOWELL TUBE: 5/16"OD X .242"ID X 1.0" above x10 9/32" insertion, 1- SIPHON TUBE: 1/4"OD X 5/32" ID X 1.0" above x 10 9/32" insertion, 1- VENT TUBE: 1/4"OD X 5/32" ID X 1.0". (1 per EA )
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    $623.57
  21. Low Profile 3-Port Sparger W/Holes, 6L For VSA Vessels
    Manufacturer: Bellco Glass Inc
    316-l stainless steel ra32 or better finish .040" drilled holes sparger for low profile vertical side arm vessels. Threaded end is removable for cleaning. Comes with 45mm blue polypropylene open top cap and silicone gasket. Triple tube configuration With Vent, Fill/Sample And Sparge. (1 per EA )
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    $341.93
  22. Micro Carrier Impeller Assembly,500mL
    Manufacturer: Bellco Glass Inc
    Micro-Carrier Impeller Assembly Promote optimal growth of suspension and micro-carrier cultures. Impeller height adjusts through compression fitting in cap. Indented bottom up to 1L prevents accumulation of micro-carrier beads under impeller. Impeller assembly for micro-carrier spinner flasks. Consist of magnet holder, silicone plug, magnet, and ptfe paddle. Impeller size: 500ml Paddle dimensions: 1" x 3" (1 per EA )
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    $86.94
  23. Drying Tube
    Manufacturer: Kimble Chase
    Labsets kits Organic Chemistry Microscale Threaded Standard Academic MICROFLEX Item M Drying Tube 13-425 The 747000 Series MICROFLEX Kits feature versatile threaded chaste connections. They can be assembled rightside up or upside down providing great versatility. (1 per EA)
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    $38.44
  24. Round Bottom Marine Impeller, 5L Complete
    Manufacturer: Bellco Glass Inc
    Dimensions: 1/2" od x 7 1/2" long Stainless steel 4" od right hand pitch marine prop & e-clip Material: 316l stainless steel with electropolish finish For round bottom omni vessel (1964-88405) Need l/f head plate, over head drive motor Size: 5l (1 per EA )
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    $1,001.36
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