Filtrete 16x25x4 Air Filter MERV 12, MPR 1550 Certified Asthma &
Fits systems calling for a filter thickness of 4.31″ and larger.
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Filtrete 16x25x4 Air Filter MERV 12, MPR 1550 Certified Asthma &
Fits systems calling for a filter thickness of 4.31″ and larger.