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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.
【Size and Specification】: The Vacuum Filter Units a capacity of 250 mL. It is equipped with a neck adapter with a diameter of 50 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.
【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.
【Premium Filtration Kit】Includes: 1000ml Plastic bottle, 500ml funnel, 0.22μm PES membrane, top cap, filter housing
【Lab-Grade Filtration Performance】Ultra-fine PES membrane provides exceptional microbial retention for contamination-sensitive applications, while high-throughput design accelerates liquid processing workflows in cell culture and laboratory solutions
Individually packaged, sterile and nonpyrogenic. Fits plastic or glass media bottles with 45mm neck sizes.
Polyethersulfone (PES) membranes provide the fastest flow rates, the lowest protein binding and low extractables and are best for filtering cell culture media.
Angled hose connector simplifies vacuum line attachment.
Each system has the membrane material and pore size printed on the unit and is color-coded by membrane type for easy product identification.
【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.
【Premium Filtration Kit】Includes: 500ml Plastic bottle, 500ml funnel, 0.22μm PES membrane, top cap, filter housing
【Lab-Grade Filtration Performance】Ultra-fine PES membrane provides exceptional microbial retention for contamination-sensitive applications, while high-throughput design accelerates liquid processing workflows in cell culture and laboratory solutions
【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
Polyethersulfone (PES) membrane has a 0.22m pore size and a 33.2sq cm area for fastest flow rate, lowest protein binding and extractables, and best filtering of cell culture media
Graduated funnel and storage bottle have a 500mL capacity and 45mm neck diameter; receiver bottle features easy grip sides for improved handling
Includes a sterile plug-seal style orange high density polyethylene cap; angled hose connector simplifies vacuum line attachment
Individually packaged, sterile, and certified nonpyrogenic; designed for filtering and storing cell culture media, biological fluids, and other aqueous solutions
Bottle top vacuum filter is designed to fit plastic or glass media bottles with 45mm neck sizes
Cellulose acetate (CA) membrane has a 0.22m pore size and a 33.2sq cm area for fast flow rates and low protein binding and is good for filtering cell culture media
Polystyrene filter funnel has a 500mL capacity and a 45mm diameter polyethylene neck adaptor with an angled hose connector that simplifies vacuum line attachment
Individually packaged, sterile, and certified nonpyrogenic; designed for filtering and storing cell culture media, biological fluids, and other aqueous solutions
Last update on 2026-10-16 / 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.
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