carbon monoxide sensor

Honeywell InSight HEPA Air Purifier for Medium Rooms (100 sq. ft.) HPA080B Black: 4 Settings, Filter Change Indicator, Timer

HOM Mist Maker Fogger - Ultrasonic Fogger Machine with 12 Vibrant LED Colors For Fishpond, Aquarium, Birdbath - Fog Machine for Halloween Decor

Pyle PTHM20 Temperature & Humidity Meter with Dew Point and Wet Bulb Temperature

Restored Sun Joe SJ-BZ18W | 18-Watt UV Indoor/Outdoor Bug Zapper | 1600 sq ft Coverage | Whisper Quiet Operation (Refurbished)

Taylor - Decorative Dial Thermometer - Plastic - Multicolored - 13.25 in.

Sharper Image Salt Lamp Diffuser

Taylor - Tube Thermometer - Plastic - White - 8.66 in.

Taylor - Dial Thermometer - Plastic - 3.5 in.

AIRDOCTOR AD5000 Series 4-in-1 Air Purifier for Extra Large Spaces & Open Concepts with UltraHEPA, Carbon & VOC Filters

Dial Cooler Controller 4-1/2 in. H X 2-7/8 in. W White Plastic Evaporative Cooler Thermostat

Puraclenz Photon P3000X Air Purifier for Home, Air & Surface Purification, Up to 3000 sqft, Removes 99% Pollutants, Mold, Odors, Viruses & More

AIRDOCTOR AD1000 HEPA Air Purifier | Perfect for Guest Rooms, Kids' Bedrooms and Home Offices | Circulates the Air in 285 sq. ft. 4x/hour

Miko Air Purifier True HEPA with Air Sensor

BLACK+DECKER Portable Dehumidifier

Fuel Injector Cleaner, Ultrasonic Injector Cleaning Machine , Adjustable Pressure & Pulse Width, Diagnostic Tool for Auto Repair Shops & Garages