You are here:Home > PLEATED AIR FILTERS > 4 Inch Furnace Filters

4 INCH FURNACE FILTER

FREE DELIVERY + NO TAX

We are happy to offer you our Beat The Price Guarantee !


Sort By:
Page of 28
8x14x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 8x14x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

8x14x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $22.58 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
8x16x4 (7.5 x 15.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 8x16x4 (7.5 x 15.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

8x16x4 (7.5 x 15.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $22.58 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
8x20x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 8x20x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

8x20x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $22.58 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
8x24x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 8x24x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

8x24x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $22.58 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
8x30x4 (7.5 x 29.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 8x30x4 (7.5 x 29.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

8x30x4 (7.5 x 29.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
8x30x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 8x30x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

8x30x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $33.36 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
9.75x23.75x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 9.75x23.75x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

9.75x23.75x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $26.17 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x10x4 (9.5 x 9.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x10x4 (9.5 x 9.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x10x4 (9.5 x 9.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x10x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 10x10x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

10x10x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x14x4 (9.5 x 13.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x14x4 (9.5 x 13.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x14x4 (9.5 x 13.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x14x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 10x14x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

10x14x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x15x4 (9.5 x 14.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x15x4 (9.5 x 14.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x15x4 (9.5 x 14.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x16x4 (9.5 x 15.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x16x4 (9.5 x 15.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x16x4 (9.5 x 15.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x18x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 10x18x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

10x18x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x20x4 (9.5 x 19.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x20x4 (9.5 x 19.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x20x4 (9.5 x 19.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x24x4 (9.5 x 23.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x24x4 (9.5 x 23.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x24x4 (9.5 x 23.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x24x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 10x24x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

10x24x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x25x4 (9.5 x 24.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x25x4 (9.5 x 24.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x25x4 (9.5 x 24.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
10x30x4 (9.75 x 29.75 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 10x30x4 (9.75 x 29.75 x 3.75) Air Filter - Furnace Filter (MERV 13)

10x30x4 (9.75 x 29.75 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $33.36 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
11.25x11.25x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 11.25x11.25x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

11.25x11.25x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
11.25x19.25x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 11.25x19.25x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

11.25x19.25x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
11.25x23.25x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 11.25x23.25x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

11.25x23.25x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
11.5x21x4 (Actual Size) Accumulair Diamond 2-Inch Filter (MERV 13) 11.5x21x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

11.5x21x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12.5x21x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 12.5x21x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

12.5x21x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12.75x21x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 12.75x21x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

12.75x21x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12x12x4 (11.5 x 11.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 12x12x4 (11.5 x 11.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

12x12x4 (11.5 x 11.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12x12x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 12x12x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

12x12x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12x16x4 (11.5 x 15.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 12x16x4 (11.5 x 15.5 x 3.75) Air Filter - Furnace Filter (MERV 13)

12x16x4 (11.5 x 15.5 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $23.78 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12x18x4 (11.75 x 17.75 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13) 12x18x4 (11.75 x 17.75 x 3.75) Air Filter - Furnace Filter (MERV 13)

12x18x4 (11.75 x 17.75 x 3.75) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER
12x18x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13) 12x18x4 (Actual Size) Air Filter - Furnace Filter (MERV 13)

12x18x4 (Actual Size) Accumulair Diamond 4-Inch Filter (MERV 13)

ONLY: $24.98 each - WE BEAT ANY PRICE BY $2.00 PER FILTER