Which pleated furnace filter is better 7 pleat or 11 pleat

Question: Which pleated furnace filter is better from same company.
7 pleat or 11 pleat?

I would say the 11 pleat filter is probably better because more pleats per inch of filter allows for greater air flow. This is important for efficient filters. Quality manufacturers aim for as little impact on air flow as possible when designing their filters. As the efficiency of the filter material increases so does air flow restriction. One method of compensating for this is to have more pleats per inch of filter.

More pleats per inch of filter also distributes the dust collected by the air filter over a larger area and therefore can be in the system longer before needing to be changed.

Hepa air filters have many more pleats per inch than other filters that utilize the pleated design.

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