Description
Product Overview
The Biomed Scientific bottle top vacuum filter is engineered for efficient and reliable filtration in laboratory environments. It features a polyethersulfone (PES) membrane with a 0.22m pore size and 17sq cm area, delivering fast flow rates and high throughput capable of filtering 500ml to 1L. The membrane ensures low protein binding and minimal extractables, making it ideal for sensitive applications. The filter funnel, made of polystyrene, has a 250mL capacity and a 45mm diameter polyethylene neck adaptor with an angled hose connector for simplified vacuum line attachment. Forward-facing, large, raised graduation marks allow for easy reading, and each unit is individually packaged, sterile, and certified nonpyrogenic. Designed to fit plastic or glass media bottles with 45mm neck sizes, this filter is built for precision and durability in industrial and scientific settings.

Usage
This bottle top vacuum filter is designed for use in laboratories, research facilities, and industrial settings where sterile filtration of aqueous solutions is critical. It is commonly employed for filtering and storing cell culture media, biological fluids, and other solutions that require high purity and minimal contamination. Target users include scientists, lab technicians, and researchers in fields like biotechnology, pharmaceuticals, and life sciences, who need reliable, fast-flow filtration to maintain sample integrity and support accurate experimental results. The filter is suitable for routine applications in biosafety cabinets, cleanrooms, and general lab benches, ensuring consistent performance in demanding environments.
Why Choose Us
Biomed Scientific stands out for its commitment to quality and innovation in lab filtration products. This bottle top vacuum filter offers superior flow rates and throughput due to the advanced PES membrane, which reduces processing time and enhances productivity. Each filter is individually packaged, sterile, and certified nonpyrogenic, ensuring safety and compliance with stringent industry standards. The ergonomic design, including the angled hose connector and clear graduation marks, improves usability and reduces the risk of errors. By focusing on materials that minimize protein binding and extractables, Biomed Scientific provides a reliable solution that maintains sample quality and supports reproducible results in critical applications.
Key Features
- 0.22m PES membrane for fast flow rates and high throughput up to 1L
- Low protein binding and minimal extractables to preserve sample integrity
- 250mL polystyrene funnel with 45mm neck adaptor for easy vacuum attachment
- Sterile, nonpyrogenic, and individually packaged for safe, ready-to-use operation
- Forward-facing graduation marks for accurate volume reading and handling
FAQ
What types of bottles does this filter fit?
This filter is designed to fit plastic or glass media bottles with 45mm neck sizes, ensuring compatibility with standard lab containers for seamless integration into your workflow.
Is the filter sterile and safe for cell culture?
Yes, each filter is individually packaged, sterile, and certified nonpyrogenic, making it suitable for filtering cell culture media, biological fluids, and other sensitive aqueous solutions without introducing contaminants.
What is the pore size and membrane material?
The filter uses a polyethersulfone (PES) membrane with a 0.22m pore size, providing efficient filtration with fast flow rates, low protein binding, and high throughput for various laboratory applications.
How do I attach the vacuum line?
The filter includes a polyethylene neck adaptor with an angled hose connector, simplifying vacuum line attachment and ensuring a secure fit for consistent performance during filtration processes.
Can this filter handle large volumes?
Yes, with a 17sq cm membrane area and fast flow rates, it can efficiently filter volumes from 500ml to 1L, supporting high-throughput needs in research and industrial settings.






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