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When purchasing a product, price is the consumer's primary concern. At present, COBETTER has 131 products for sale. COBETTER products range in price from $11.99 to $146, and the average price of all the products is about $42.74.

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Last Updated: Jan 8, 2026

Lab Filter Membranes

COBETTER 1 pcs/Pack Filter Holder Polypropylene Reusable for 47mm Disc Membranes Filter

COBETTER 1 pcs/Pack Filter Holder Polypropylene Reusable for 47mm Disc Membranes Filter Cover
  • [Material] Cobetter Polypropylene (PP) Membrane Filter Holder is an inline filter compatible with various chemicals and temperatures. Equipped with a silicone O-ring seal and threaded port for use with tubing. Autoclavable.
  • [FEATURES] Inlet: 1/4" NPT thread; Outlet: 1/4" NPT threaded male; Size: 64mm OD x 52.5mm; Filter Size (mm): 47.
  • [PARAMETERS] Filtration area: 13.8 cm². Maximum Operating Pressure 0.5MPa @25°C.
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Syringe Lab Filters

COBETTER 10 pcs/pk Sterile Syringe Filter Double-Layer PES Hydrophilic Membrane 0.2μm Lab Filters 33mm Diameter Individually Packed, Yellow

COBETTER 10 pcs/pk Sterile Syringe Filter Double-Layer PES Hydrophilic Membrane 0.2μm Lab Filters 33mm Diameter Individually Packed, Yellow Cover
  • [Unique Structure]The double-layer asymmetric PES hydrophilic membranes behave graduated pore size structure, a larger size of prefilter and a 0.2μm sterilizing-grade final filter
  • High Flow Rate]Cobetter sterile syringe filter faster flow rates and higher operating pressures for high performance needs
  • [Applications]0.1μm for mycoplasma removal; 0.2μm for sterile filtration of cell culture media, buffers and reagents; 0.45μm for clarification of aqueous and viscous solutions
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Syringe Lab Filters

COBETTER 100 Pack PES Syringe Filter Lab Filters 0.22μm Pore Size 13mm Diameter Hydrophilic Filtration Non-sterile Yellow

COBETTER 100 Pack PES Syringe Filter Lab Filters 0.22μm Pore Size 13mm Diameter Hydrophilic Filtration Non-sterile Yellow Cover
  • [FEATURES] Color-coded: yellow outer ring with polyethylene housing. Asymmetric hydrophilic PES membrane provides fast flow rate and low protein binding. pH range 3-14.
  • [PARAMETERS] Inlet: female luer lock. Outlet: male luer slip. Available in 0.1μm, 0.22μm, 0.45μm, 0.8μm, 1.2μm, 3.0μm, 5.0μm and 8.0μm pore sizes and three diameters. Pack of 100.
  • [PERFORMANCE] Fast flow rate. Robust filters with high mechanical stability. Unique design results in low hold-up volume and minimal sample loss.
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Syringe Lab Filters

COBETTER 100 pcs/pk Sterile Syringe Filter Double-Layer PES Hydrophilic Membrane 0.2μm Lab Filters 13mm Diameter Individually Packed, Yellow

COBETTER 100 pcs/pk Sterile Syringe Filter Double-Layer PES Hydrophilic Membrane 0.2μm Lab Filters 13mm Diameter Individually Packed, Yellow Cover
  • [Unique Structure]The double-layer asymmetric PES hydrophilic membranes behave graduated pore size structure, a larger size of prefilter and a 0.2μm sterilizing-grade final filter
  • [High Flow Rate]Cobetter sterile syringe filter faster flow rates and higher operating pressures for high performance needs
  • [Applications]0.1μm for mycoplasma removal; 0.2μm for sterile filtration of cell culture media, buffers and reagents; 0.45μm for clarification of aqueous and viscous solutions
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Syringe Lab Filters

COBETTER 100 Pack PTFE Syringe Filter Lab Filters Hydrophobic Filtration 0.22μm Pore Size 13mm Diameter Non-sterile Red

COBETTER 100 Pack PTFE Syringe Filter Lab Filters Hydrophobic Filtration 0.22μm Pore Size 13mm Diameter Non-sterile Red Cover
  • [SPECIFICATION] 13mm 0.22μm syringe filter hydrophobic ptfe, 100pcs. Unique design results in low hold-up volume and minimal sample loss.
  • [FEATURES] Made of native chemically inert hydrophobic PTFE membrane, very low extractables, low protein binding, provides wide chemical compatibility. pH range 1-14.
  • [APPLICATIONS] PTFE syringe filters are broadly used for infiltration of various organic solvents, as well as the filtration of strong acid and strong alkali solutions. Also can be used for venting and gas-filtration.
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Syringe Lab Filters

COBETTER 10 pcs/pk Sterile Syringe Filter Double-Layer PES Hydrophilic Membrane 0.45μm Lab Filters 33mm Diameter Individually Packed, Yellow

COBETTER 10 pcs/pk Sterile Syringe Filter Double-Layer PES Hydrophilic Membrane 0.45μm Lab Filters 33mm Diameter Individually Packed, Yellow Cover
  • [Unique Structure]The double-layer asymmetric PES hydrophilic membranes behave graduated pore size structure, a larger size of prefilter and a 0.2μm sterilizing-grade final filter
  • [High Flow Rate]Cobetter sterile syringe filter faster flow rates and higher operating pressures for high performance needs
  • [Applications]0.1μm for mycoplasma removal; 0.2μm for sterile filtration of cell culture media, buffers and reagents; 0.45μm for clarification of aqueous and viscous solutions
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COBETTER 3kDa Ultra Centrifugal Filter Unit, 15mL, Regenerated Cellulose RC Membrane, Screw Caps, Individually Wrapped (4/PK)

COBETTER 3kDa Ultra Centrifugal Filter Unit, 15mL, Regenerated Cellulose RC Membrane, Screw Caps, Individually Wrapped (4/PK) Cover
  • [FEATURES] Fast ultrafiltration with high concentration factors. High protein recovery rate >90%; Quick processing time as little as 10-30 minutes; Broad chemical compatibility
  • [PARAMETERS] Made fo RC ultrafiltration membrane. Vertical design filtration device. Centrafugal filters available in 0.5mL/2mL/4mL/15mL. Both fixed angle rotors and swing bucket rotors are applicable.
  • [MWCO] Molecular weight cut-off availble in 2kD, 3kD,10kD, 30kD, 50kD, 100kD, 300kD. For fast and reliable results, choose an ultrafiltration membrane with a MWCO that is 2-3 times smaller than the MW of your macromolecule.
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Syringe Lab Filters

COBETTER 100 Pack Syringe Filter PTFE hydrophilic Lab Filters 0.22μm Pore Size 25mm Diameter Filtration Non-sterile Red

COBETTER 100 Pack Syringe Filter PTFE hydrophilic Lab Filters 0.22μm Pore Size 25mm Diameter Filtration Non-sterile Red Cover
  • [PARAMETERS] Pack of 100. COBETTER hydrophilicity PTFE syringe filter is resistant to 3bar pressure. 3.4cm² Effective filter area. 0.22μm Pore Size, 25mm Diameter.
  • [HIGH QUALITY] Uniform pore, not easy to clog. Low non-specific binding. Due to its hydrophilicity nature the PTFE membrane functions as a water barrier.
  • [GOOD SEALING] COBETTER adopts premium polypropylene housing and a premium hydrophilicity PTFE membrane, so the syringe filter is not easy to leak. Luer lock ensures well consistency.
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COBETTER 10kDa Ultra Centrifugal Filter Unit, 4mL, Regenerated Cellulose RC Membrane, Screw Caps, Individually Wrapped (15/PK)

COBETTER 10kDa Ultra Centrifugal Filter Unit, 4mL, Regenerated Cellulose RC Membrane, Screw Caps, Individually Wrapped (15/PK) Cover
  • [FEATURES] Fast ultrafiltration with high concentration factors. High protein recovery rate >90%; Quick processing time as little as 10-30 minutes; Broad chemical compatibility
  • [PARAMETERS] Made fo RC ultrafiltration membrane. Vertical design filtration device. Centrafugal filters available in 0.5mL/2mL/4mL/15mL. Both fixed angle rotors and swing bucket rotors are applicable.
  • [MWCO] Molecular weight cut-off availble in 2kD, 3kD,10kD, 30kD, 50kD, 100kD, 300kD. For fast and reliable results, choose an ultrafiltration membrane with a MWCO that is 2-3 times smaller than the MW of your macromolecule.
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Syringe Lab Filters

COBETTER 10 pcs/PK Sterile Syringe Filter Double-Layer Hydrophilic PVDF Membrane 0.2μm Lab Filters 33mm Diameter Individually Packed, Blue

COBETTER 10 pcs/PK Sterile Syringe Filter Double-Layer Hydrophilic PVDF Membrane 0.2μm Lab Filters 33mm Diameter Individually Packed, Blue Cover
  • [Unique Structure]The double-layer hydrophilic PVDF membranes behave graduated pore size structure, a larger size of prefilter and a 0.2μm sterilizing-grade final filter.
  • [Ultra-Low Protein Binding]COBETTER sterile PVDF syringe filters feature low extractables and low absorption for minimum sample losses
  • [Applications]0.2μm for sterile filtration of cell culture media, buffers and reagents; 0.45μm for clarification of aqueous and viscous solutions
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COBETTER 10pcs 1/16" Y Shaped 3 Way Barbed Connector Pharmaceutical Polypropylene Hose Barb Y Fitting Equal Barbed Tubing Splicer PP Plastic Connectors

COBETTER 10pcs 1/16" Y Shaped 3 Way Barbed Connector Pharmaceutical Polypropylene Hose Barb Y Fitting Equal Barbed Tubing Splicer PP Plastic Connectors Cover
  • [FEATURES] 3 Way y barb fittings are made of polypropylene (PP), offering excellent mechanical strength and good chemical compatibility, ensuring long-term use. Plastic y connectors can be tightly connected with tubings.
  • [CONNECTORS] 1/16 inch y barbed fittings can be connected with 1/16" Hose ID.
  • [APPLICATIONS] Used for connection or disconnection of fluid paths in biopharma and gene and cell therapy manufacturing processes, laboratory bottle assemblies. Also suitable for applications in food and beverage,laboratory and others.
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Syringe Lab Filters

COBETTER 100 Pack PP Syringe Filter Lab Filters 3.0μm Pore Size 13mm Diameter Hydrophobic Filtration Non-sterile White

COBETTER 100 Pack PP Syringe Filter Lab Filters 3.0μm Pore Size 13mm Diameter Hydrophobic Filtration Non-sterile White Cover
  • [PARAMETERS] COBETTER PP syringe filter is resistant to 12bar pressure. 0.72cm² Effective filter area. 1.0μm Pore Size, 13mm Diameter. Pack of 100.
  • [HIGH QUALITY] Hydrophobic membrane. Uniform pore, not easy to clog.
  • [GOOD SEALING] COBETTER adopts premium polypropylene housing and a premium Hydrophobic PP membrane, so the syringe filter is not easy to leak. Luer lock ensures well consistency.
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Bottletop Lab Filters

COBETTER Pack of 9 Diposable Vacuum Filter Units 500mL 0.2μm PES Hydrophilic Membrane

COBETTER Pack of 9 Diposable Vacuum Filter Units 500mL 0.2μm PES Hydrophilic Membrane Cover
  • [FEATURES] The asymmetric PES membrane provides high flow rate and high flux, the hydrophilic PVDF membrane provides very low protein binding.
  • [PARAMETERS] Materials of bottle and lid: polysulfone; Funnel adapter and screw cap: HDPE. Available in 150mL/250mL/500mL/1000mL. Receiver bottle features easy-read graduations, and easy grip sides for improved handling.
  • [APPLICATIONS] 0.2μm for filtration of cell culture media, buffers and reagents; used in research laboratories
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Lab Filter Membranes

COBETTER 100Pack MCE Gridded Membrane Filter 47mm 0.45μm Mixed Cellulose Esters Membrane Filters Individual Pack Hydrophilic Filter Paper

COBETTER 100Pack MCE Gridded Membrane Filter 47mm 0.45μm Mixed Cellulose Esters Membrane Filters Individual Pack Hydrophilic Filter Paper Cover
  • [Materials] Mixed Cellulose Ester (MCE) membrane Filters are made of a mixture of nitrocellulose and cellulose acetate, with smooth and flat surface feature easy counting of colonies and high bacterial recovery rate.
  • [Features] Pre-sterilized by 25 kGrey gamma radiation and individually packaged, ready to use. 130°C Max. Temperature. 75% Porosity. High flow rate and flux.
  • [3mm intervals] Gridded filters have clearly defined grid lines spaced at 3mm intervals, counting colonies on the filter surface without compromising colony growth.
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Lab Filter Membranes

COBETTER 100 Pieces/Pack PES Disc Membrane Filters Hydrophilic 47mm Diameter 0.22µm Pore Size

COBETTER 100 Pieces/Pack PES Disc Membrane Filters Hydrophilic 47mm Diameter 0.22µm Pore Size Cover
  • [Specifications] Hydrophilic PES membrane; 100pcs/pk; Delivery Condition: Nonsterile (Can withstand autoclaving and gamma irradiation)
  • [Material] Naturally hydrophilic PES membrane features low protein binding and is suitable for a wide range of chemicals within pH 3-14 (not resistant to ketones, esters, and similar compounds)
  • [Features] Asymmetric pore structure PES (polyethersulfone) membrane features high flow rates and high dirt holding capacity for the filtration of media, buffers, and other solutions
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COBETTER 10kDa Ultra Centrifugal Filter Unit, 0.5mL, Regenerated Cellulose RC Membrane, Snap Caps (24/PK)

COBETTER 10kDa Ultra Centrifugal Filter Unit, 0.5mL, Regenerated Cellulose RC Membrane, Snap Caps (24/PK) Cover
  • [PARAMETERS] Made fo RC ultrafiltration membrane. Vertical design filtration device. Centrafugal filters available in 0.5mL/2mL/4mL/15mL. Both fixed angle rotors and swing bucket rotors are applicable.
  • [PARAMETERS] Made fo RC ultrafiltration membrane. Vertical design filtration device. Centrafugal filters available in 0.5mL/2mL/4mL/15mL. Both fixed angle rotors and swing bucket rotors are applicable.
  • [MWCO] Molecular weight cut-off availble in 2kD, 3kD,10kD, 30kD, 50kD, 100kD, 300kD. For fast and reliable results, choose an ultrafiltration membrane with a MWCO that is 2-3 times smaller than the MW of your macromolecule.
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COBETTER 10pcs 1/8" to 1/4" PP Plastic Hose Barb Reducer Fitting, Pharmaceutical Polypropylene Connectors Reducing Barbed Splicer Mender Joint Adapter Union Fittings

COBETTER 10pcs 1/8" to 1/4" PP Plastic Hose Barb Reducer Fitting, Pharmaceutical Polypropylene Connectors Reducing Barbed Splicer Mender Joint Adapter Union Fittings Cover
  • [FEATURES] The reducing barbed tube fittings are mainly made of polypropylene (PP) with excellent mechanical strength and good chemical compatibility. Hose barb design, tightly connected with tubings. High impact strength.
  • [CONNECTORS] 1/8" x 1/4" OD Plastic barb connector, can be connected with 1/8" Hose ID & 1/4" hose ID.
  • [APPLICATIONS] Cobetter barbed splicer fittings and connectors are used for connection or disconnection of fluid paths in biopharma and gene and cell therapy manufacturing processes, laboratory bottle assemblies.
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Lab Filter Membranes

COBETTER 150 pcs/Pack MCE Gridded Membrane Filter 47mm 0.45μm Mixed Cellulose Esters Membrane Filters Continuous Pack Hydrophilic Filter Paper

COBETTER 150 pcs/Pack MCE Gridded Membrane Filter 47mm 0.45μm Mixed Cellulose Esters Membrane Filters Continuous Pack Hydrophilic Filter Paper Cover
  • [Materials] Mixed Cellulose Ester (MCE) membrane Filters are made of a mixture of nitrocellulose and cellulose acetate, with smooth and flat surface feature easy counting of colonies and high bacterial recovery rate. (For Laboratory Research Use Only)
  • [Features] Pre-sterilized by 25 kGrey gamma radiation and individually packaged, ready to use. Dispenser-ready membrane filter is compatible with other lab dispensers. 130°C Max. Temperature. 75% Porosity. High flow rate and flux.
  • [3mm intervals] Gridded filters have clearly defined grid lines spaced at 3mm intervals, counting colonies on the filter surface without compromising colony growth.
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Barbed Hose Fittings

COBETTER 10pcs 1/8" Cross Barb Fittings Pharmaceutial Polypropylene 4 Way Tubing Connectors Plastic Barbed Fitting

COBETTER 10pcs 1/8" Cross Barb Fittings Pharmaceutial Polypropylene 4 Way Tubing Connectors Plastic Barbed Fitting Cover
  • [FEATURES] Cobetter plastic barbed fittings are mainly made of polypropylene (PP) with excellent mechanical strength and good chemical compatibility. Hose barb design, tightly connected with tubings. High impact strength
  • [CONNECTORS] 1/8 inch cross connectors can be connected with 1/8" Hose ID
  • [APPLICATIONS] Cobetter cross barb fittings are used for connection or disconnection of fluid paths in biopharma and gene and cell therapy manufacturing processes, laboratory bottle assemblies
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Lab Filter Membranes

COBETTER Hydrophobic PTFE Venting Filter Disc 50mm 0.2μm, 0.24MPa Max. Pressure, 1/4"-1/2"(6-14mm) Stepped Hose Barbs, Individually Packed (PK of 10,V50A)

COBETTER Hydrophobic PTFE Venting Filter Disc 50mm 0.2μm, 0.24MPa Max. Pressure, 1/4"-1/2"(6-14mm) Stepped Hose Barbs, Individually Packed (PK of 10,V50A) Cover
  • [PARAMETERS] Filtration Area: 20cm², Max. Differential Pressure@25°C: 0.24 MPa, Max. Operating Temp.: 50°C, Bubble Point@20: ≥0.11MPa, Wetted with 60% IPA 40% Water.
  • [FEATURES] Inherently hydrophobic PTFE membrane with high-purity polyethylene housing, high flux available even in lower differential pressure. 100% integrity testing in manufacturing. Each lab filter is fully traceable with unique serial number.
  • [AUTOCLAVABLE] Can be autoclaved for 20 cycles of 30min at 130 °C(Can not be steam)
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