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Honeywell FC40R1185 18x18 Compatible Return Grille Filter

SKU: MFC40R1185-1
MPN: MFC40R1185
Product description

This return grille filter is a compatible replacement for the Honeywell FC40R1185. It has a MERV 10 efficiency and measures approximately 18 x 18 x 4-3/8. 

Nominal Size: 18x18x4-3/8

Actual Size (without header): 16-1/4 x 16-1/4 x 4-3/8

Actual Size (with header): 17-3/4 x 17-3/4 x 4-3/8

Products specifications
Suggested Change Frequency Change every 6 months (180 days)
MERV Rating 10
Form Factor Return Grille Filter