Honeywell FC40R1128 - 14" x 24" x 3" Return Grille Pleated Air Filter, MERV 10 The

Honeywell FC40R1128 return grille air filter is a highly efficient filter option that will not restrict your HVAC system's airflow. With MERV 10 filtration, this filter does a great job of trapping unwanted particulates that commonly make their way into your household. Also, with a depth of 3" you can count on these filters to live a much longer life than a traditional 1" filter. 

• Replace every 6-12 months for optimal performance.
• It installs easily in most brands of return filter grilles.
• Initial Pressure Drop: FC40R: 0.12 in. wc at 2 cfm per sq. in.
• Temperature Rating: -40° to 140°F.