4in HVAC Filters
The 4 inch furnace air filter is a highly efficient and effective filter size commonly used in residential HVAC systems. With its increased thickness of 4 inches, this filter provides superior filtration capabilities compared to standard 1 inch or 2 inch filters. It effectively captures and removes dust, pollen, pet dander, mold spores, and other airborne particles, significantly improving indoor air quality. The larger filter media surface area allows for greater particle retention and longer filter life. Regularly replacing the 4 inch furnace air filter promotes optimal HVAC system performance, reduces energy consumption, and creates a cleaner and healthier home environment.
- Nominal Sizes
- Actual Size
- Hearder Type
- Frame/ Hearder Material
- Separator Material
-
10x10x4 9-1/2 x 9-1/2 x 3-3/4 - 241 x 241 x 95 Die cut beverage cardboard
-
12x12x4 11-1/2 x 11-1/2 x 3-3/4 - 292 x 292 x 95 Die cut beverage cardboard
-
12x16x4 11-1/2 x 15-1/2 x 3-3/4 - 292 x 394 x 95 Die cut beverage cardboard
-
12x18x4 11-1/2 x 17-1/2 x 3-3/4 - 292 x 445 x 95 Die cut beverage cardboard
-
12x20x4 11-1/2 x 19-1/2 x 3-3/4 - 292 x 495 x 95 Die cut beverage cardboard
-
12x22x4 11-1/2 x 21-1/2 x 3-3/4 - 292 x 546 x 95 Die cut beverage cardboard
-
12x24x4 11-1/2 x 23-1/2 x 3-3/4 - 292 x 597 x 95 Die cut beverage cardboard
-
12x25x4 11-1/2 x 24-1/2 x 3-3/4 - 292 x 622 x 95 Die cut beverage cardboard
-
12x30x4 11-1/2 x 29-1/2 x 3-3/4 - 292 x 749 x 95 Die cut beverage cardboard
-
13x20x4 12-1/2 x 19-1/2 x 3-3/4 - 317 x 495 x 95 Die cut beverage cardboard
