Electrostatic Filter for Peak Flow Meter

GVS Spiroguard utilise an electrostatically charged synthetic media. The positive and negative charge on filter fibres is generated during the manufacturing process and enhances the filter’s ability to attract particulate matter. Unlike other spirometry filters, GVS’s electrostatic filter media is covered in a protective scrim layer. This prevents fibres becoming loose, blocking the spirometer and therefore enhancing protective performance against harmful contamination.

The filter media has hydrophobic properties to minimise droplet contamination, as well as providing a low resistance and low dead space to improve the validity and consistency of respiratory testing results and minimise rebreathing.

Materials

Filter media: Electrostatic Housing: Polypropylene Filter

Media

200 g Electrostatic Blended Synthetic Fiber

Flow Resistance

@ 30 L/min in accordance with EN ISO 9360-1: < 34 Pa (< 0.34 cm H2O)

@ 60 L/min in accordance with EN ISO 9360-1: < 67 Pa (< 0.67 cm H2O)

@ 90 L/min in accordance with EN ISO 9360-1: < 123 Pa (< 1.23 cm H2O)

Filtration Efficiency

BFE 99.9999%* up to 0.027 µm

VFE 99.9998%* up to 0.027 µm

Effective Filtration Area

60 cm²

Pyrogenicity

< 0.25 EU/ml

Dead space

81.5 ml

Weight

37.2 g

Dimensions

h. 85 mm; w. 96.8 mm