12x24x5 AIRx ALLERGY Honeywell FC40R1037 Replacement Return Grille Filter - MERV 11
12" x 24" x 5" (actual size 11 3/4" X 23 3/4" X 4 3/8")
MERV 11 - Not Manufactured By Honeywell
This replacement for the FC40R Return Grille Filter captures a significant amount of dust and particles in the air that usually circulate in your home. This filter is a high-efficiency, long-life replacement for return grille applications. Honeywell recommends peforming a filter change every year. Depending on the conditions, it may be necessary to change the filter sooner.
Filter features 1" lip around upstream side
(Honeywell recommends allowing a depth of seven inches behind the grille to provide space for the deeper filter and airflow through the filter.)
. Mounts within most third party return filter grilles (features integral gasket around upstream side of filter).
. Provides high-efficiency alternative to filter with depth of one inch.
. Greater capacity due to pleats in filter.
. Captures particles as small as 0.3 micron.
. Pre-assembled filter easily inserts in and out of existing return grille for easy installation.
. Provides a comfortable air flow and maintains equipment efficiency longer than standard filters because of reduced strain on equipment from low pressure drop.
. Unique frame design fits properly into place.