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Race 3 is the least resistance/highest airflow
A racing favorite
Asthma and Racing filters available separately
The Sport/Asthma filter air flow was very similar to the Asthma filter
Salomon Replacement zipper for Nordic Boots
AirTrim Replacement Filters Sport/Asthma sale2023 12 07 Race 3 is the leastThere are five different models of filters which allow different volumes of airflow. This is a pack of 2 Sport Asthma filters. The Sport Filter was renamed in 2024 to the Sport Asthma filter and the Asthma filter has been discontinued. The Sport Asthma filter air flow was very similar to the Asthma filter. Sport Asthma Filter: Low to Medium airflow and resistance, warms air significantly and is used for light to moderate intensity exercise and those
