Pearl Barrier Filters (includes nose clips) – 100s

$279.00 (+GST)

Pearl barrier filters for use with ndd Easy One Spirometer (spirettes).  Box of 100, includes 100 nose clips.




99.99% Bacterial/Viral efficiency at a flow rate of 720L per min. The SureGard removes all pollutants down to 0.027 micron. The SureGard is the only filter in Australia and New Zealand to use a 200gram Tech Electrostatic HyperGard® filter media. The filter has an Inline dead space of 50mls. Various colours, make for easy recognition for multiple machine laboratories. All filters (except RJVKB3 & RJVKB6) have a patented elliptical mouthpiece which increases patient compliance.

External Diameter

20mm (Spirette end)

Internal Diameter

18.5mm (Spirette end)


100 per box


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