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5" Healthy Climate HC10 MERV 10 Replacement Media Filter
(This can ONLY be used if you have a Media Air Cleaner of some type, i.e. Healthy Climate Model HC10) (We recommend an HC10 filter change at least twice per year - September & March. For DIRTY environments or most efficient filtration, you may need to change filters more often...do... -
4" Purolator MERV 8 High-Capacity Pleated Filter for Filter Grilles
(For 14"x14"x4" return air filter grilles ONLY - NOT for Media Air Cleaners. Can ONLY be used on 14"x14"x4" filter grilles.) (We recommend a 4" filter change at least 2 times per year - September & March. For DIRTY environments or most efficient filtration, you may need to change filters... -
Honeywell FC40R MERV 10 Filter Grille Replacement Media Filter
(This can ONLY be used if you have a Return Air Filter Grille with at least a 4" boot or filter box behind it) (We recommend an FC40R Return Air Grille filter change at least twice per year - September & March. For DIRTY environments or most efficient filtration, you...