| The RESPRO replacement filter works on the basis of electrostatically charged fibers attracting and retaining fine dust particles down to 0.3 microns in size as air flows through the filter. Most other filters usually work purely by mechanical retention, which is often associated with high inhalation resistance. The filter has a hypo-allergenic layer that will prevent any irritation to the face being caused as a result of dust particles being retained whilst in use.
The filter lifespan is based on the characteristics of the active urban cyclist.
- Half hour journey to work, half hour back
- A breathing rate of 30 litres of air per minute
- Pollution levels where the WHO (World Health Organisation) guidelines recommend that the average citizen should wear some form of respiratory protection.
On this basis we recommend that the filter be changed every 69 hours of use in the environment.
Available in 2 sizes:
- Large - for most adults
- Small/Medium - for children and petite adults
Shipping Weight: 0.01 lbs.
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SPECIAL GIFT WITH ALL ORDERS OVER $150.00!*
(a $25.00 value)
