ac smoke detector battery backup

First Alert® Battery-Powered Carbon Monoxide Alarm with Backlit Digital Display

First Alert® GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display

TCL 5100 BTU SACC (8,500 BTU ASHRAE) Smart Portable Air Conditioner Fan & Dehumidifier (H5P44W): AC Unit for 100-300 sq. ft.

Airthings View Plus Radon and Indoor Air Quality Monitor

Teendow Matonc Smart Air Purifier with APP for Home Bedroom Large Room 2200 sq FT ,LED Touch Panel, PM2.5 Air Quality Monitor,6 Speeds,Ganymede

DREO 1500W Solaris Max 25" Ceramic Space Heater Oscillating Fast Heat and Ultra-Quiet ECO Mode Remote

Dyson Air Purifier Hot and Cool HP1 White

Honeywell Allergen Plus True HEPA Air Purifier Black HPA120

Airthings View Radon and Indoor Air Quality Monitor

First Alert® SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts

Frida Baby 3-in-1 Air Purifier: Nightlight, Easy Filter Change, HEPA Filter, Electric Power

First Alert Fire and Water Chest .15 cu ft: Fireproof Safe, Key Lock, Black, 5-Year Warranty, 1550°F Protection

Levoit Core Mini-P Air Purifier

Personal Fan - Dealworthy™

WINIX T810 Air Purifier for Home Extra Large Room up to1968 sq ft with Smart Wi-Fi Air Quality Monitor True HEPA Carbon Filter

WINIX T500 Air Purifier for Home Room up to1204 sq ft with Air Quality Monitor True HEPA Carbon Filter