Brand: Filter King
Filter size: 16.38x21.38x4
Actual Size: 16.38 x 21.38 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: 16.38x21.38x4
Actual Size: 16.38 x 21.38 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: 16.38x21.38x4
Actual Size: 16.38 x 21.38 x 3.75
4-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: 16.38x21.38x4
Actual Size: 16.38 x 21.38 x 3.75
MERV 10 Carbon
Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor
Residential / Commercial Use