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Merv 11 4" Furnace Filter Glasfloss 4" Merv 11 Furnace Filter (6 Pack)

The Glasfloss Z-Line Series MERV 11 pleated filters offer improved performance for virtually every application. All Glasfloss Z-Line pleated filters feature fibers which do not absorb moisture and will not support microbial growth.

Merv 13 4" Furnace Filter Glasfloss 4" Merv 13 Furnace Filter (6 Pack)

The Glasfloss Z-Line MR 13 pleated air filter achieves Merv 13 while maintaining low pressure drop and good service life. The Merv 13 provides a cost-effective upgrade from lower efficiency pleated filters for a variety of applications.

Merv 8 4" Furnace Filter Glasfloss 4" Merv 8 Furnace Filter (6 Pack)

The Glasfloss Z-Line Series Merv 8 pleated filters offers excellent performance and value for a wide range of applications. All Glasfloss pleated filters feature fibers which do not absorb moisture and will not support microbial growth.

Merv 11 4" Furnace Filter 4" Merv 11 Air Filter (6 Pack)

Clear The Air Merv 11 filter Removes 91% of airborne particles. Our Merv 11 filter eliminates allergens such as dust mites, pollen, mold spores, pet dander, dust, and smog. Our advanced pleat technology provides less air flow resistance, with higher efficiency and lower pressure drop allowing air-handling systems to stay cleaner and operate more efficiently.

Merv 13 4" Furnace Filter 4" Merv 13 Air Filter (6 Pack)

Clear The Air Merv 13 filters are the best possible choice in residential HVAC filtration. Hospital-quality, advanced pleated technology. Our Green pleat removes 96% of allergens, fine particles, dust, pollen, dust mites, bacteria, mold spores, pet dander, smoke, gases & odors.

Merv 8 4" Furnace Filter 4" Merv 8 Air Filter (6 Pack)

Clear The Air Merv 8 filters effectively remove 85% of airborne particles. Our Merv 8 filter eliminates allergens such as dust, pollen, mold spores, and pet dander.

Honeywell Merv 11 Furnace Filter Glasfloss Honeywell Merv 11 Furnace Filter (5 Pack)

The Glasfloss Z-Line 400 HW & HWR (Honeywell) is a replacement option for the Honeywell F-100 and FC40R air filters. The ZLine 400 HW & HWR incorporates 100% synthetic fibers that are thermally-bonded, and manufactured in an engineered gradient structure.

Our Price: $124.99 (Free Shipping)
Honeywell Merv 13 Furnace Filter Glasfloss Honeywell Merv 13 Furnace Filter (5 Pack)

The Glasfloss Z-Line 400 HW & HWR (Honeywell) is a replacement option for the Honeywell F-100 and FC40R air filters. The ZLine 400 HW & HWR incorporates 100% synthetic fibers that are thermally-bonded, and manufactured in an engineered gradient structure.

Our Price: $144.99 (Free Shipping)
Honeywell Merv 8 Furnace Filter Glasfloss Honeywell Merv 8 Furnace Filter (5 Pack)

The Glasfloss Z-Line 400 HW & HWR (Honeywell) is a replacement option for the Honeywell F-100 and FC40R air filters.

Our Price: $99.99 (Free Shipping)
Merv 10 1" Furnace Filter Koch 4" Merv 10 Air Filter (6 Pack)

The Koch Multi-Pleat MERV 10 is a medium efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies and overall superior performance than standard pleated filters.

Merv 11 4" Furnace Filter Koch 4" Merv 11 Air Filter (6 Pack)

The Koch Multi-Pleat MERV 11 is a medium efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies and better overall performance than standard pleated filters.

Merv 13 4" Furnace Filter Koch 4" Merv 13 Air Filter (6 Pack)

The Multi-Pleat GREEN 13 is a high efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies than standard pleated filters.

Merv 8 4" Furnace Filter Koch 4" Merv 8 Air Filter (6 Pack)

The Koch Multi-Pleat MERV 8 is a medium efficiency extended surface pleated panel filter, engineered to provide higher initial efficiencies and overall superior performance than standard pleated filters.