Honeywell FC40R1830 Return Grille Air Filter 18x30 MERV 10 (5 Pack)

The genuine OEM Honeywell FC40R1830 Return Grille Filter replaces the previous Honeywell F35R series filters. FC40R1830 mounts in most third-party return filter grilles.

• Nominal Size: 18" x 30" x 4"
• Actual Size: 17-3/4" (17.75") x 29-3/4" (29.75") x 3"
• MERV Rating: 10
• Filter Life: about every 12 months depending on air quality

• FC40R1830, FC40R1830/U
• FC4 Series, F35R Series

• Honeywell FC40R1830 18 x 30 x 3 Return Grille Filter.
• Honeywell FC40R1830 18” x 30” Return Grill Media Air Filter.
• 18x30 Honeywell FC40R1830 Air Filter.
• FC40R1830 18x30 Honeywell Return Grille AC Filter.
• Genuine Honeywell FC40R1830 Return Grille Filters 18 x 30.