Filterbuy Air Filter
Best high performance replacement for homeowners seeking custom sizing options.
These filters strike the right balance between heavy-duty filtration and airflow efficiency. By using an electrostatic charge rather than just dense material, they trap 95% of allergens without choking your HVAC system. It’s a straightforward, durable upgrade that keeps your home’s air clean without forcing your furnace to work overtime.
$107.94
at
Wal-mart
More Allergen Defense options
Who it's for
- Homeowners with unique or non-standard furnace intake dimensions
- Families seeking specific protection against allergens or pet dander
- Users wanting durable filters that won't collapse during operation
Who should skip it
- Owners of aging systems prone to overheating or freezing
- Apartment dwellers or residents with very limited storage areas
- Individuals with precision-fit filter slots requiring exact nominal measurements
Performance breakdown
Filtration Efficiency
MERV 11 rating effectively traps common allergens and fine household dust.
Structural Integrity
Dual wire backing and beverage board prevent collapse under high airflow.
Surface Area
Fourteen pleats per foot maximize capture capacity without choking your system.
Installation Ease
Standard sizing and rigid frame design make swapping filters completely effortless.
Airflow Performance
Balances deep cleaning with enough permeability to keep HVAC systems breathing.
Allergen Defense
Electrostatically charged media actively pulls pet dander and spores from circulation.
Key Specs
MERV Rating
11
Filter Type
Pleated
Length
40 inches
Width
12 inches
Depth
1 inch
Lifespan
3 months
Pack Quantity
6
Material
Synthetic media
Frame Material
Beverage board and wire
Odor Reduction Feature
Yes
Know before you buy
Still have a question?
Ask Metto anything about the Filterbuy Air Filter before you decide.
