| Guard-966 4 Gas Monitor Multi Gas Detector | toptestools.com | 1135 USD | — | — |
| Guard-863Pro 4 Gas Monitor Multi Gas Detector | toptestools.com | 606 USD | — | — |
| Guard-863Pro 4 Gas Monitor Multi Gas Detector | toptestools.com | 606 USD | — | — |
| Guard-863Pro 4 Gas Monitor Multi Gas Detector | toptestools.com | 606 USD | — | — |
| RT-389 Rechargeable Refrigerant Leak Detector - Orange | toptestools.com | 492 USD | — | — |
| Guard-156 4 Gas Monitor Multi Gas Detector | toptestools.com | 454 USD | — | — |
| Guard-156 4 Gas Monitor Multi Gas Detector | toptestools.com | 454 USD | — | — |
| Guard-101 Gas Detector - Green | toptestools.com | 417 USD | — | — |
| Guard-101 Gas Detector - Orange | toptestools.com | 417 USD | — | — |
| Guard-101 Gas Detector - Blue | toptestools.com | 417 USD | — | — |
| RT-389 Rechargeable Refrigerant Leak Detector - Blue | toptestools.com | 413 USD | — | — |
| Guard-122 4 Gas Monitor Multi Gas Detector | toptestools.com | 379 USD | — | — |
| PT-830S Rechargeable Gas Leak Detector | toptestools.com | 341 USD | — | — |
| Guard-122 4 Gas Monitor Multi Gas Detector | toptestools.com | 341 USD | — | — |
| Guard-611 Portable H2S Detector | toptestools.com | 341 USD | — | — |
| Guard-756 Upgraded Oxygen Detector | toptestools.com | 326 USD | — | — |
| Guard-756 Upgraded Oxygen Detector | toptestools.com | 303 USD | — | — |
| Guard-633 H2S Detector - Orange | toptestools.com | 303 USD | — | — |
| Guard-633 H2S Detector - Blue | toptestools.com | 303 USD | — | — |
| Guard-566 Portable Carbon Monoxide Detector | toptestools.com | 273 USD | — | — |
| Guard-722 Oxygen Detector | toptestools.com | 265 USD | — | — |
| PT520B+ Gas Leak Detector | toptestools.com | 265 USD | — | — |
| Guard-533 Portable Carbon Monoxide Detector | toptestools.com | 265 USD | — | — |
| Guard-722 Oxygen Detector | toptestools.com | 265 USD | — | — |
| CT-580 Portable Carbon Monoxide Detector | toptestools.com | 227 USD | — | — |
| TOPTES AT-505 Rechargeable Ammonia Gas Detector, 0-100 PPM NH3 Monitor with Alarm | wcsafety.com | 199.99 USD | — | — |
| TOPTES RT-389 Rechargeable Refrigerant Leak Detector, HVAC Freon Leak Detector with 3 Sensitivity Modes & 3 Alarm Types | peteautomotive.com | 199 USD | — | — |
| PT520A+ Gas Leak Detector | toptestools.com | 190 USD | — | — |
| PT520A Gas Leak Detector | toptestools.com | 178 USD | — | — |
| CT-300 Portable Carbon Monoxide Detector | toptestools.com | 174 USD | — | — |
| PT210S Gas Leak Detector | toptestools.com | 140 USD | — | — |
| TS-710 Light Meter | toptestools.com | 137 USD | — | — |
| TS-501B Sound Level Meter | toptestools.com | 133 USD | — | — |
| PT760 Rechargeable Natural Gas Detector | toptestools.com | 133 USD | — | — |
| PT330 Gas Leak Detector | toptestools.com | 114 USD | — | — |
| TS-630 Digital Moisture Meter | toptestools.com | 114 USD | — | — |
| PT205 Gas Leak Detector | toptestools.com | 114 USD | — | — |
| PT199 Gas Leak Detector | toptestools.com | 114 USD | — | — |
| TS-301 Digital Anemometer | toptestools.com | 114 USD | — | — |
| PT299 Gas Leak Detector | toptestools.com | 106 USD | — | — |