China Suppliers Challenge Filair® PTFE Hydrophobic Sterile Filter - High Retention & Throughput Factory Solutions
Natural hydrophobicity
High retention rate
High throughput with low pressure drop
Reliable bacteria and particle retention
Vents for Fermenters, Storage Tanks, etc.
Sterile Filtration for Compressed Air, O₂, N₂, etc.
0.10 MPa / 80℃
| Endotoxin | <0.25 EU/mL |
|---|---|
| Biocompatibility |
|
Challenge Filair® PTFE filter is capable of up to 50 cycles of high-temperature steam sterilization.
02: 0.14 m²
04: 0.25 m²
05: 0.34 m²
10: 0.68 m²
| Filter Membrane | Hydrophobic Polytetrafluoroethylene (PTFE) |
|---|---|
| Inner / Outer Cage | Polypropylene (PP) |
| Capsule Housing | Polypropylene (PP) |
| Capsule Vent O-Ring | Silicone Rubber |
| Filtration Accuracy | 0.2 μm |
1. What is the filtration accuracy of this gas capsule filter?
The filtration accuracy of this hydrophobic PTFE membrane gas capsule filter is 0.2μm, offering reliable particle and bacteria retention.
2. How many times can the Filair® PTFE filter be sterilized?
The filter is highly durable and capable of withstanding up to 50 cycles of high-temperature steam sterilization.
3. What materials are used to construct the capsule filter?
The filter membrane is made of Hydrophobic Polytetrafluoroethylene (PTFE), the inner/outer cages and capsule housing are made of Polypropylene (PP), and the vent O-ring is constructed of Silicone Rubber.
4. What are the maximum operating pressure limits for this filter?
The maximum differential pressure limit is 0.55 MPa at a temperature of 25℃, and 0.1 MPa when operating at 80℃.
5. Is the filter compliant with biosafety standards?
Yes. The filter has an endotoxin level of <0.25 EU/mL. It is compliant with USP <87> Non-cytotoxic standards and meets the USP <88> Class VI plastic biocompatibility requirements.
6. What typical applications is this filter recommended for?
This filter is ideal for venting systems (such as fermenters and storage tanks) as well as for the sterile filtration of compressed air, oxygen (O₂), nitrogen (N₂), and other gases.





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