Here is a low cost method to determine if your lift trucks are producing dangerous levels of carbon monoxide. Just place one of these cards in the warehouse. If it changes color, you need to address your lift truck emissions.
The Carbon Monoxide Detector Card comes complete with:
Minimum 18-month product life
Multi-level detection: normal, caution and danger
Perfect for the warehouse, office or confined space area
Unique packaging protects sensor from contamination
This visual detector is about the size of a credit card