First Alert PC910 Photoelectric Combo Smoke & Carbon Monoxide Alarm, White, 3 V Liquid Drain Cleaners (restricted) 3/8"FIP inlet x 3/8" compression

3/8"FIP inlet x 3/8" compression outlet

Recommended Surface : All Surfaces

Each port is perfectly spaced to allow hummingbirds to feed side-by-side

molded in gallon markers to view tank contents and molded in inserts on the bottom

First Alert PC910 Photoelectric Combo Smoke & Carbon Monoxide Alarm, White, 3 V Liquid Drain Cleaners (restricted) 3/8"FIP inlet x 3/8" compressionHighlights: No battery changes for the life of the alarm Photoelectric nuisance resistant technology New sleek thin design Mute silence button End of life signal Versatile wall or ceiling mount Easy slide mounting bracket Emits T3 pattern Electrochemical sensor Power LED and alarm indicator No battery changes for the life of the alarm Separate sensors to detect smoke and CO, the two alarm systems work independently Usage for residential applications