Best Lab Filtering Flasks. Reviews September, 2020

StonyLab Glass 250ml Heavy Wall Borosilicate Glass Filtering Flask, Bolt Neck with Tubulation - 250ml

Search only stonylab brand name
StonyLab Glass 250ml Heavy Wall Borosilicate Glass Filtering Flask, Bolt Neck with Tubulation - 250ml

Current price: 17.95 USD


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  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass

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

Search only EISCO brand name
Filtering Flask, 250ml - Borosilicate Glass - Conical Shape, with Integral Side Arm - White Graduations - Eisco Labs

Current price: 13.01 USD


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Height: 6 Inches

Length: 8 Inches

Width: 6 Inches

Weight: 0.000625 Pounds

  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask

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Filter Flask Set, 1000ml with Funnel, Stopper and Filter Paper

Search only LabStock brand name
Filter Flask Set, 1000ml with Funnel, Stopper and Filter Paper

Current price: 52.59 USD


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  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask

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Filtering Flask, 1000ml - Borosilicate Glass - Conical Shape, with Integral Side Arm - White Graduations - Eisco Labs

Search only EISCO brand name
Filtering Flask, 1000ml - Borosilicate Glass - Conical Shape, with Integral Side Arm - White Graduations - Eisco Labs

Current price: 27.32 USD


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Height: 6 Inches

Length: 12 Inches

Width: 8 Inches

Weight: 1.3 Pounds

  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass

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United Scientific FG5340-500 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 500ml Capacity

Search only United Scientific Supplies brand name
United Scientific FG5340-500 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 500ml Capacity

Current price: 18.18 USD


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  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass
  • Bottom Outside Diameter (mm): 108
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 500 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes

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Glass Filtering Flask with Upper Tubulation, 500ml (Single)

Search only Labnique brand name
Glass Filtering Flask with Upper Tubulation, 500ml (Single)

Current price: 16.95 USD


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  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass
  • Bottom Outside Diameter (mm): 108
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 500 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes
  • The OD of the tubulation at the tip is about 9 mm, and about 12 mm near the joint. The ID of the tubulation at the tip is about 4.5 mm.
  • Individually wrapped. Pack of 1.
  • Approx. Height=17.8 cm. O.D of base = 10.5 cm. I.D of mouth = 3.0 cm.
  • High quality borosilicate 3.3 glass.
  • 500ml Glass Filtering Flask with Upper Tubulation.

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United Scientific FG5340-2000 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 2000ml Capacity

Search only United Scientific Supplies brand name
United Scientific FG5340-2000 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 2000ml Capacity

Current price: 51.05 USD


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Weight: 2.2 Pounds

  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass
  • Bottom Outside Diameter (mm): 108
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 500 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes
  • The OD of the tubulation at the tip is about 9 mm, and about 12 mm near the joint. The ID of the tubulation at the tip is about 4.5 mm.
  • Individually wrapped. Pack of 1.
  • Approx. Height=17.8 cm. O.D of base = 10.5 cm. I.D of mouth = 3.0 cm.
  • High quality borosilicate 3.3 glass.
  • 500ml Glass Filtering Flask with Upper Tubulation.
  • Item Package Weight: 2.74916440714 lb
  • Item Package Dimension: 12.599999987148" L x 7.99999999184" W x 6.699999993166" H
  • Model Number: FG5340-2000
  • Country Of Origin: United States

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Filtr8 Lab Filtration Pump

Search only Filtr8 brand name
Filtr8 Lab Filtration Pump

Current price: 34.99 USD


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Height: 2.75 Inches

Length: 6.75 Inches

Width: 5 Inches

  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass
  • Bottom Outside Diameter (mm): 108
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 500 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes
  • The OD of the tubulation at the tip is about 9 mm, and about 12 mm near the joint. The ID of the tubulation at the tip is about 4.5 mm.
  • Individually wrapped. Pack of 1.
  • Approx. Height=17.8 cm. O.D of base = 10.5 cm. I.D of mouth = 3.0 cm.
  • High quality borosilicate 3.3 glass.
  • 500ml Glass Filtering Flask with Upper Tubulation.
  • Item Package Weight: 2.74916440714 lb
  • Item Package Dimension: 12.599999987148" L x 7.99999999184" W x 6.699999993166" H
  • Model Number: FG5340-2000
  • Country Of Origin: United States
  • Includes EVA Case for Carrying and Storage
  • Electric (US/ Canada Style Plug)- 120 Volts AC, 60 Hz with On/Off Switch
  • Produces low level vacuum (80-120" H20, 3-4 psi)
  • Perfect for Vacuum Filtration
  • Hands-free

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United Scientific FG5340-1000 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 1000ml Capacity

Search only United Scientific Supplies brand name
United Scientific FG5340-1000 Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 1000ml Capacity

Current price: 31.03 USD


Check price and availability


  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass
  • Bottom Outside Diameter (mm): 108
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 500 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes
  • The OD of the tubulation at the tip is about 9 mm, and about 12 mm near the joint. The ID of the tubulation at the tip is about 4.5 mm.
  • Individually wrapped. Pack of 1.
  • Approx. Height=17.8 cm. O.D of base = 10.5 cm. I.D of mouth = 3.0 cm.
  • High quality borosilicate 3.3 glass.
  • 500ml Glass Filtering Flask with Upper Tubulation.
  • Item Package Weight: 2.74916440714 lb
  • Item Package Dimension: 12.599999987148" L x 7.99999999184" W x 6.699999993166" H
  • Model Number: FG5340-2000
  • Country Of Origin: United States
  • Includes EVA Case for Carrying and Storage
  • Electric (US/ Canada Style Plug)- 120 Volts AC, 60 Hz with On/Off Switch
  • Produces low level vacuum (80-120" H20, 3-4 psi)
  • Perfect for Vacuum Filtration
  • Hands-free
  • Bottom Outside Diameter (mm): 138
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 1000 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes

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SEOH Rubber Filter Aid for Filtration Flask Each

Search only SEOH brand name
SEOH Rubber Filter Aid for Filtration Flask Each

Current price: 5.49 USD


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Weight: 0.05 Pounds

  • Capacity 250 milliliters
  • StonyLab filtering flasks
  • Flasks have a narrow mouth and tooled top finish
  • Made of borosilicate glass
  • 250ml with 50ml graduations
  • (1) Single Flask
  • Filtering flask with integrated side arm adaptable to 3/8" internal diameter tubing
  • High Quality Borosilicate glass
  • 250ml Filtering flask
  • Hook up to your vacuum source and you are ready to go
  • Vacuum tubing with adapter sleeve, will fit 3/8 or 1/4 in. hose fittings
  • Matching 9cm filter paper, pack of 100
  • 9cm Porcelain Buchner funnel with pre-drilled no. 9 rubber stopper
  • For vacuum filtration, 1000ml borosilicate glass fitering flask
  • Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
  • Side arm provides easy connection to tubing
  • For use in storing, mixing, and transferring various solutions
  • Integral Side Arm measures 14.2mm long with an inner diameter of 4.6mm and an outer diameter of 8.5mm
  • 1000ml conical filtering flask made from Borosilicate Glass
  • Bottom Outside Diameter (mm): 108
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 500 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes
  • The OD of the tubulation at the tip is about 9 mm, and about 12 mm near the joint. The ID of the tubulation at the tip is about 4.5 mm.
  • Individually wrapped. Pack of 1.
  • Approx. Height=17.8 cm. O.D of base = 10.5 cm. I.D of mouth = 3.0 cm.
  • High quality borosilicate 3.3 glass.
  • 500ml Glass Filtering Flask with Upper Tubulation.
  • Item Package Weight: 2.74916440714 lb
  • Item Package Dimension: 12.599999987148" L x 7.99999999184" W x 6.699999993166" H
  • Model Number: FG5340-2000
  • Country Of Origin: United States
  • Includes EVA Case for Carrying and Storage
  • Electric (US/ Canada Style Plug)- 120 Volts AC, 60 Hz with On/Off Switch
  • Produces low level vacuum (80-120" H20, 3-4 psi)
  • Perfect for Vacuum Filtration
  • Hands-free
  • Bottom Outside Diameter (mm): 138
  • Graduation Interval (mL): 50
  • Description: Filtering Flask, Borosilicate Glass; 1000 mL
  • Material: Borosilicate Glass
  • Autoclavable: Yes
  • Scientific Equipment of Houston
  • Sold As Each
  • Rubber
  • Hole Diameter (mm) 32
  • Diameter (mm, outside) 76

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