Product/Service
Preflow Capsule Filters
Source: Pall Life Sciences - BioPharmaceuticalsDatasheet: Preflow Capsule Filters
Scalable Prefilters with PreFlow UUA and UB Media
PreFlow capsule filters have been designed for small volume production and scale-up evaluation. Pall PreFlow media provide bioburden reduction, clarification, and prefiltration for sterilizing-grade filters when processing biological fluids. The fixed pore structure and proprietary resin-bonded glass fiber composite media provide exceptional capacity for fine contaminants and long service life. PreFlow filters have the following properties:
- Fixed pore construction
- Resistant to contaminant unloading
- Meets USP Biological Reactivity Test, in vivo, for Class VI – 121 °C Plastics
Features and Benefits
The key benefits of DFA PreFlow capsules for prefiltration applications include:
- Scalablity to production filters
- Capsule format for ease of use
- Effective and reliable protection of final filters, including 0.2 µm and 0.1 µm sterilizing-grade — providing higher throughputs and longer filter life
- Low hold-up volumes
- High-strength design allows for multiple autoclave cycles
- Supplied with Certificate of Test giving batch traceability
Applications
The PreFlow range of filters has been specifically designed for the filtration of biological fluids including:
- Serum
- Vaccines
- Cell Culture Media
- Protein Solutions
Datasheet: Preflow Capsule Filters

