Features :
* Hydrophobic filter medium provides protection against liquid and airbourne contamination
* Patented even-pleated filter medium allows maximum filtration efficiency with minimal resistance to flow
* Deep pleats ensure consistant gas flow during prolonged clinical use
* Gas sampling port, centrally positioned to ensure accuracy of readings
* Ergonomical design/smooth edges to aid patient comfort
* Transparent housing allows visual confirmation of performance
* 15mm/22mm conical connectors to ISO standards
* Total encapsulation of all cut edges to avoid fibre shredding