carbon dioxide detector

3-Stage H13 True HEPA 5-in-1 Air Purifier for Rooms up to 600 sq. ft. reduces Allergies, Asthma, Pets, Odor, Smoke - OVAL AIR

Pyle Smart Indoor Air Quality Meter - Digital Carbon Dioxide / Air Pollution Sensor Detector (Measures CO2, Temperature, Humidity) (PCO2MT05)

Clorox Medium Room True HEPA Filter Air Purifier 11030 White: Energy Star Certified, 100-300 sq. ft., 6 Settings

Maison Products OCOOPA Hand Warmer Rechargeable, 1 Pack 5200mAh Electric Portable Pocket Heater, Heat Therapy,Hunting, Golf, Camping

LivePure Bali Series Multi-Room True HEPA Console Air Purifier

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

Hide a Key for House, Car, and Safe Keys- Temperature Reading Indoor and Outdoor Working Wall Mount Thermometer with Key Storage by Stalwart

Crane Pure Steam Vaporizer, 1.0 Gallon, Filter Free, Whisper Quiet, Pure Mist, Dishwasher Safe Tank, for Home Bedroom and Office

Monoprice Wireless Water Leak/Flood Sensor Probe and Alarm, No Hub Required

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

First Alert Fire and Water Chest .24 cu ft: Fireproof Document Safe, Key Lock, 1550°F Protection, Black Resin, No Assembly Required

Crane True HEPA Air Purifiers for Home, Up To 250 Sq Ft, with Sleep Timer, Child Lock, Aroma Tray

PurSteam 10-in-1 Steam Mop, Floor Steamer with Detachable Handheld Steam Cleaner for Tile, Hardwood Floors

Ivation Ozone Generator Air Purifier w/ Ionizer – Purifies 3,500 Sq Ft, Cherry Wood Finish

HP450UV True HEPA UVC Light Technology Air Purifier

Crane True HEPA Air Purifiers for Home, Up To 300 Sq Ft, with Sleep Timer, Child Lock, Aroma Tray

Miko Air Purifier True HEPA with Air Sensor

Flowtron Bug Zapper Power Indoor Use with 3000V Trap, LED Lamp & Easy-Clean Shock Grid

Dehumidifier for Home - Perfect Christmas Gift, 1800 Sqft Dehumidifier for Bedroom/Basement, 3 Modes & 24H Timer, White Holiday Gift

Crane True HEPA Air Purifier, Up To 150 Sq. Ft., With Aroma Tray, Night Light, Adjustable Fan Speed and Timer Function