FILTERBUY MERV 11 PLEATED AC FURNACE 1-INCH AIR FILTER REVIEW

March 21, 2021

4.5 / 10 Filterstudy Score
PFE1 Efficiency (0.3-1 μm)2.5
PFE2 (1-3 μm)6.5
Permeability / Pressure Drop4.5
Pros
* Fits most furnaces, air handlers and filter-grilles.

* Low-cost.
Cons
* Borderline terrible performance at filtering 0.3-1µm particles, which are more likely to lead to chronic lung-related conditions.

* Less than OK performance at filtering 1-3µm particles, which are more likely to cause various respiratory problems and other health and productivity issues.

* Below mediocre permeability. The lower the permeability score, the more strain the filter would put on your equipment which can dramatically increase the cost of operating your furnace, air conditioner, or heat pump (and potentially damage it).

* High maintenance. Clogs fast.

Filter Facts

Advertised MERV rating: 11
Tested MERV Rating: 11
Number of pleats: 22
Dimensions: 20″x25″x1″

Filter Facts

Advertised MERV rating: 11
Tested MERV Rating: 11
Number of pleats: 22
Dimensions: 20″x25″x1″

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2021 | FilterStudy