Honeywell® 18x18x4 Aftermarket Return Grille Filters
Honeywell® 18x18x4 Aftermarket Return Grille Filters
Honeywell® 18x18x4 Aftermarket Return Grille Filters
Nominal size 18" x 18" x 4" (Actual size 17 3/4 x 17 3/4 x 3 3/4) Lasts up to 6 Months This is an aftermarket filter not made by Honeywell® All MERV data and statements are indicative of typical properties and characteristics obtainable. MERV claims are to be used as a guide for general comparison and not as a specification.
Honeywell® 18x18x4 Aftermarket Return Grille Filters
- Nominal size 18" x 18" x 4" (Actual size 17 3/4 x 17 3/4 x 3 3/4)
- Lasts up to 6 Months
- This is an aftermarket filter not made by Honeywell®
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All MERV data and statements are indicative of typical properties and characteristics obtainable. MERV claims are to be used as a guide for general comparison and not as a specification.