I haven't noticed any new "freshness" from installing the filter, but I've noticed that the arrows are upside down, it's impossible (and wrong) to put the filter on their imprinted arrows. It is not important to understand the direction of airflow, since the arrows are opposite the factory filter. The paper and overall construction appear to be of good quality and I believe it will perform as well as the original, but I'll try a cheaper filter next time to see if it's worth the price difference.
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