There are five different models which allow different volumes of airflow. This is a pack of 2 asthma filters. The Asthma filter has been replaced by the Sport filter, now called the Sport/Asthma filter. The Sport/Asthma filter air flow was very similar to the Asthma filter.
- Asthma Filter: Lowest airflow and highest heat recovery. For those with Asthma, or for use in cold temperatures at low intensity levels.
- Race Filters: Highest airflow, lowest resistance, and least warming for high-intensity activity. Race 1 is the highest resistance and warming of the race filters, Race 2 is mid-range, Race 3 is the least resistance/highest airflow.
- Sport/Asthma Filter: Medium airflow and resistance, warms air significantly and is used for light- to moderate-intensity exercise and those with Asthma and Angina.
Sport and Racing filters available separately.
Filters should be dried completely after each use. With adequate care, each filter should last for 20-30+ sessions. For use with Airtrim cold air mask, sold separately.
Product title
Vendor
$19.99 | $24.99
Product title
Vendor
$19.99 | $24.99
Product title
Vendor
$19.99 | $24.99
Product title
Vendor