Ensuring the purity of liquids is crucial in laboratory settings, and reliable filtration is key. Bottletop lab filters offer a convenient and efficient way to sterilize or clarify solutions. Selecting the appropriate filter for your specific application can significantly impact experimental accuracy and safety.
Looking for the best Bottletop Lab Filters?
Discover now our comparison of the best Bottletop Lab Filters. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Bottletop Lab Filters are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Bottletop Lab Filters in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
Corning 431118 Disposable Bottletop Filter; 500 mL Volume; PES, Membrane; 12/Pack
- Adapter color: yellow
- Body material: polystyrene
- Funnel size (ml): 500
- Filter diameter (mm): 70
- Pore size (um): 0.22
$157.07
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No. 2
Foxx Life Sciences Bottletop Lab Filters Pack of 24 Autofil Sterile Disposable Vacuum Bottle Top Filter 500 ml...
- Forward-facing, large, raised graduation marks for easy reading
- Quick-Connect pedestal base or cradle ring allows for hands-free filtration
- Secure grasp bottle cap technology
- Available in 0.1 m, 0.22 m or 0.45 m PES asymmetric membrane filter
- Autofil is available as a complete system or funnel only
No. 3
QOAEZK 250ML Sterile Vacuum Filter Units with 0.22um PES Membrane, Individually Wrapped
- 【Safety】Polystyrene filter funnel has a 250mL capacity and a 45mm diameter polyethylene neck adaptor with an angled hose connector that simplifies vacuum line attachment Gamma sterilization.
- 【Applications】Polyethersulfone (PES) membrane has a 0.22m pore size and 64sq cm area; provides the fastest flow rates and highest throughput(could filter 1.5~2L), lowest protein binding and low extractables, and best filtering of cell culture media.
- 【Packing】Individually packaged, sterile, and certified nonpyrogenic; designed for filtering and storing cell culture media, biological fluids, and other aqueous solutions
- 【High Performance】 Larger flux and faster flow rate. Low hold-up volume.
- 【Certificate】Design, manufacture and sterilization processes meet cGMP requirements.
No. 4
500ml Vacuum Filter Units - PES Bottle Top Vacuum Filter 0.22μm, Individually Wrapped,Pack of 1
- 【Size and Specification】: The Vacuum Filter Units a capacity of 500 mL. It is equipped with a neck adapter with a diameter of 90 mm, respectively. The pore size of the polyethersulfone (PES) membrane is 0.22 μm.
- 【Convenient and Efficient】: With a disposable design and individual packaging, this product can be used immediately after opening and set up your filtration system swiftly. It can save time for operations and improve experiment or production...
- 【Filter Precision】: The polyether sulfone (PES) membrane provides more flux and faster liquid flow. It intercepts kinds of particles and impurities effectively and targetedly, finishing precise filtration.
- 【Wide Adaptability】: Suitable for various liquid filtration scenarios, including laboratory sample processing, this product is also compatible with common vacuum systems.
- 【CUSTOMER SERVICE】:If you encounter any problem, please contact us. we will help you solve the problem as soon as possible.
No. 5
Autofil Sterile Disposable Vacuum Filter Units with 0.2um Sterilizing PES Membrane, 500mL, 12/CS
- Quick-Connect pedestal base or cradle ring allows for hands free filtration
- Forward-facing, large, raised graduation marks for easy reading
- SECUREgrasp bottle cap technology
- Conveniently sold presterilized
- Sterile
- Forward-facing, large, raised graduation marks for easy reading
- Quick-Connect pedestal base or cradle ring allows for hands-free filtration
- Secure grasp bottle cap technology
- Available in 01 μm, 022 μm or 045 μm PES asymmetric membrane filter
No. 6
COBETTER 500mL Diposable Bottle Top Filter with 0.2μm PES Hydrophilic Membrane, Individually Packed, Pack of...
- ✅ [Features] Bottletop lab filters, membrane pore size: 0.2 μm. Asymmetric PES membrane provides fast flow rate and low protein-binding of aqueous solutions. Hydrophilic PVDF membrane provides broad chemical compatibility and very low protein binding.
- ✅ [Specifications & Materials] Available in 150mL, 250mL, 500mL, 1000mL bottle-top vacuum filters. Bottle: Polysulfone; Funnel adapter & screw cap: HDPE. Graduated receiver with ergonomic handgripsme and angled hose port prevents tubing tangling for...
- ✅ [Applications] 0.2 μm pore size. 500mL (membrane 75mm, 38cm²); 1000mL (membrane 90mm, 63cm²). Ideal for sterile filtration of cell culture media, buffers; filtration and clarification of biological samples in lab research.
- ✅ [QUALITY] Conform to ISO 9001:2015 Quality management system. Gamma irradiation at 25-45 kGy. Please contact us if you have any problems or issues.
- ✅ [BIO-SAFETY] All materials comply with USP Class VI standards. Aqueous extraction contains < 0.25 EU/mL as determined by LAL, USP <85>
No. 7
QOAEZK 250ML Sterile Vacuum Filter Units with 0.22um CA Membrane, Individually Wrapped
- 【Safety】Polystyrene filter funnel has a 250mL capacity and a 45mm diameter polyethylene neck adaptor with an angled hose connector that simplifies vacuum line attachment Gamma sterilization.
- 【Applications】Polyethersulfone (CA) membrane has a 0.22m pore size and 64sq cm area; provides the fastest flow rates and highest throughput(could filter 1.5~2L).
- 【Packing】Individually packaged, sterile, and certified nonpyrogenic,Suitable for buffer salt solution, protein recovery experiment.
- 【High Performance】 Larger flux and faster flow rate. Low hold-up volume.
- 【ISO Certificate】Cobetter Quality Systems is compliant with ISO 9001 : 2008. Design, manufacture and sterilization processes meet cGMP requirements.
No. 9
ADVANGENE 150ml Bottle Top Only Vacuum Filtration, 0.22µm PVDF Membrane, Graduated, Sterile (12 Filter...
- Individually wrapped and sterilized
- Polyvinylidene fluoride (PVDF) membrane with 0.22 micron pore size provides good flow rates and low protein binding and low extractable, and best filtering of cell culture media
- Engraved graduations ensure high accuracy and easy measurement
- Virgin polystyrene for optical clarity and consistency
- This bottle top is compatible with Advangene 150ml Vacuum Filtration System
No. 10
QOAEZK 500ML Sterile Vacuum Filter Units with 0.45um PES Membrane, Individually Wrapped
- 【Safety】Polystyrene filter funnel has a 500mL capacity and a 45mm diameter polyethylene neck adaptor with an angled hose connector that simplifies vacuum line attachment Gamma sterilization.
- 【Applications】Polyethersulfone (PES) membrane has a 0.22m pore size and 64sq cm area; provides the fastest flow rates and highest throughput(could filter 1.5~2L), lowest protein binding and low extractables, and best filtering of cell culture media.
- 【Packing】Individually packaged, sterile, and certified nonpyrogenic; designed for filtering and storing cell culture media, biological fluids, and other aqueous solutions
- 【High Performance】 Larger flux and faster flow rate. Low hold-up volume.
- 【 Certificate】Design, manufacture and sterilization processes meet cGMP requirements.
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Last update on 2026-04-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Bottletop Lab Filters
Comparison Tips
When comparing options, consider the throughput and flow rate, especially if filtering large volumes or viscous liquids. Check for sterility assurance (gamma-irradiated) if aseptic technique is critical. Ensure the filter's vacuum adapter fits standard vacuum tubing. Look for filters with clear volume markings and leak-proof seals for reliable performance.Frequently Asked Questions
What is the primary use of a bottletop filter?
Bottletop filters are primarily used for the sterile or clarification filtration of laboratory liquids, such as cell culture media, buffers, and aqueous solutions, directly from a storage bottle.
How do I choose the correct pore size?
For sterile filtration, a 0.22-micron pore size is generally recommended as it retains bacteria. If you need to remove finer particles, a smaller pore size might be necessary, while larger pore sizes can be used for clarification.
What is the difference between cellulose nitrate and PVDF membranes?
Cellulose nitrate membranes are suitable for aqueous solutions but can be degraded by many organic solvents. PVDF membranes offer broader chemical compatibility and are often preferred for filtering aggressive solvents and chemicals.
Are these filters reusable?
Bottletop filters are designed for single use. Reusing them can compromise their integrity, lead to contamination, and affect filtration efficiency. Always use a fresh filter for each filtration process.
How important is the filter volume capacity?
The volume capacity should match the amount of liquid you typically filter. Choosing an appropriate capacity helps prevent overflow, reduces the number of filtrations needed, and minimizes waste of both the liquid and the filter unit.
What does 'gamma-irradiated' mean for a filter?
Gamma-irradiated indicates that the filter has been sterilized using gamma radiation. This ensures the filter is sterile and ready for aseptic use immediately upon opening, which is crucial for applications like sterile cell culture media preparation.
