Brand: Filter King
Filter size: 14x18x4
Actual Size: 13.5 x 17.5 x 3.75
4-Inch Filter
MERV 8 Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use
Brand: Filter King
Filter size: 14x18x4
Actual Size: 13.5 x 17.5 x 3.75
4-Inch Filter
MERV 11 Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use
Brand: Filter King
Filter size: 14x18x4
Actual Size: 13.5 x 17.5 x 3.75
1-Inch Filter
MERV 13 Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses
Residential / Commercial Use
Brand: Filter King
Filter size: 14x18x4
Actual Size: 13.5 x 17.5 x 3.75
MERV 10 Carbon 4
MERV 10 Carbon Filter Rating
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor
Residential / Commercial Use