Holmes HAPF24 HEPA Filter.

Holmes HAPF24 HEPA/Carbon Filter is a Genuine OEM Holmes Filter.
HAPF24 HEPA/Carbon Filter combines HEPA filter with activated carbon layer.
Holmes HAPF24 HEPA/Carbon Filter fits HAP245, HAP2454, HAP251.
HEPA type filter traps all microscopic allergens and dust.
HEPA type filter efficiency is over 99 % at 1.0 micron.
Activated carbon filter traps 4000 chemicals, cigarette smoke and odors.
Filter Dimensions, inch. 11 x 6.3 x 1.5
Filter's lifetime: 3 to 6 months under normal residential conditions.
Microban anti microbial and anti bacterial filter protection.
Holmes HAPF24 HEPA/Carbon Filter comes one filter per pack.