4" Furnace Filters

4" replacement furnace filters are available in many standard and non-standard sizes. Simply select your size from the drop down box below to choose your filter size. Keep in mind that length and width are reversible (i.e. a 15x20x4 is the same as a 20x15x4).

 

4" replacement furnace filters are available in many standard and non-standard sizes. Simply select your size from the drop down box below to choose your filter size. Keep in mind that length and width are reversible (i.e. a 15x20x4 is the same as a 20x15x4).

 

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4" Furnace Filters

16x25x4 MERV 13 - 6 Pack 16x25x4 MERV 13 - 6 Pack

Nominal Size : 16x25x4
Actual Size : 15-1/2 x 24-1/2 x 3-5/8
Part: UF13-41625-6
MERV: 13
Case: 4
Price: $174.99

 

*Effective for dust, pollen, pet dander, bacteria and mould.
$132.00
4" Furnace Filters

Honeywell TrueClean 20x25x4 MERV 15 Honeywell TrueClean 20x25x4 MERV 15

Nominal Size: 20 x 25 x 4
Actual Size: 20-3/4 x 24-1/2 x 3-58 
Part: UFH-42025-1
MERV: 15

Price: $194.99

Fits: Honeywell FH8000F2025, FR8000F2025, GAPPBBCAR2025
$148.00
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