Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Tester with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries

Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included

Tess Safety Pole -Smoke Detector and Emergency Exit- Extendable Pole Tester Original - Allows Easy Excess and Monitoring for Life Safety Products -Spellbound

Carbon Monoxide Detectors - Portable Carbon Monoxide Detector - 3-in-1 CO Detector with Temperature & Humidity - Color LCD Display - for Camping,Home,Travel, RV(Includes Battery x3)

TECHAMOR Natural Gas Detector, Y201 Pro Portable Gas Leak Sniffer, Locating The Source of Propane, Methane, Butane, Natural Gas, LPG and Combustible Gas Leak for Home & RV (Y201 Pro)

WESHLGD Handheld Carbon Monoxide Meter, Portable Battery Powered Carbon Monoxide Detector, CO Gas Tester with LCD Color Display, 3-in-1 CO Notification Detector(CO, Temperature and Humidity Display)

TopTes PT199 Natural Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Sources Like Methane, Propane for Home(Includes Battery x2)-Orange

Ecoey 4-Piece Set of Magnetic - Magnetic Smoke Detector Installation Tool with 3M Glue, Lation-No Drilling or Screws Required-Fireproof-Installation Tools, GS571E, 4 Packs

TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange

RAINLEOTI Halogen Gas Detector Air Condition Refrigerant Leak Detector 0-1000ppm Halogen Freon Leak Detector HVAC CFCs HCFCs HFCS R12 R22 R134a R410a with 25cm Probe High Sensitivity 3 Alarm Types