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38 Karma

Review on No Toil Castle One Year Furnace Filtration by Pop Henneghan

Revainrating 5 out of 5

The best filter in the world...

These Merve 8 filters are the best. Since I bought mine, I've also replaced my dad's filter with the same one. He has severe COPD and emphysema and reports a significant improvement in air quality. Anyone reporting that these filters are poorly designed should first consider their HVAC system's inability to handle the more limited airflow of the merve 8 filter.

Pros
  • Building materials
Cons
  • Expensive