3M FILTRETE MPR 600 CLEAN LIVING BASIC DUST FURNACE FILTER REVIEW

February 24, 2021

4.4 / 10 Filterstudy Score
PFE1 Efficiency (0.3-1 μm)1.7
PFE2 (1-3 μm)4.3
Permeability / Pressure Drop7.2
Pros
* Low cost.
* Fits most furnaces/filter grilles.
Cons
* Relatively high pressure drop.
* Almost nonexistent PFE1 filtration efficiency (sub micron particles).
* Below average PFE2 filtration efficiency.
* Requires frequent replacements (low holding capacity).

Another offering by Filtrete. The 3M Filtrete MPR 600 Clean Living Basic Dust furnace filter is a slightly improved version of their MPR 300 filter.

As with their MPR 300 version, the MPR 600 offers a relatively low permeability which, as with most of the Filtrette line, might add excessive strain on your furnace and AC fan unless your air duct system has some extra available static pressure to spare. Low permeability, which is another term for high-pressure drop, can overheat your furnace or freeze your AC evaporator coil, plus meaningfully increase your system’s operation cost.

This specific model’s filtration efficiency is slightly higher than of the MPR 300 model, however, still considered low when compared to other 1 inch deep filters. The efficiency of this air filter at the sub-micron level is very low (17.5%), and moderately low when it comes to 1-3 micron size particles (43.5%).

Filter Facts

Advertised MERV rating: 7
Tested MERV Rating: 7
Number of pleats: 18
Dimensions: 20″x25″x5″

Filter Facts

Advertised MERV rating: 7
Tested MERV Rating: 7
Number of pleats: 18
Dimensions: 20″x25″x5″

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PFE1 Efficiency (0.3-1 μm)0
PFE2 (1-3 μm)0
Permeability / Pressure Drop0
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2021 | FilterStudy