Honeywell - FC100A1003 16 x 20 x 4 inch Media Air Filter MERV 11 - With Filter Bags 16 X 25 X 5 the First Alert SC9120B is

the First Alert SC9120B is the smart choice when you're ready to buy a smoke and carbon monoxide detector that’s reliable

Sound Level 85dB at 10 feet Features Battery Backup

Clear Back-lit Digital Display - Easy-to-read in various lighting conditions

Residential or commercial modes

Honeywell - FC100A1003 16 x 20 x 4 inch Media Air Filter MERV 11 - With Filter Bags 16 X 25 X 5 the First Alert SC9120B is[shortdesc] Depth 4" Dimensions 16" x 20" MERV Rating MERV 11 [ shortdesc] Product Description Honeywell FC100A1003 U 16x20 Media Air Filter MERV 11 The Honeywell FC100A1003 U is a high efficiency replacement media air filter designed to improve indoor air quality by capturing small, medium, and large particles. With a MERV 11 rating, it effectively removes contaminants such as dust, pollen, and pet dander while maintaining optimal airflow for your