HSI products are Environmentally Friendly. Our CoCheckô Carbon Monoxide Detector Tester does not
have HFC. Our products do not damage the Ozone layer and do not contribute to Global Warming.
CoCheckô Carbon Monoxide Detector Tester complies with both the Kyoto and Montreal Protocols and the
California state requirements.
CoCheckô is 100% All Natural and Non-Flammable This product contains material found in the air we
breath. Designed and packaged in a size that prevents any accidents. There is not enough CO in the product
to produce any ill effects. It is safe, effective and works! The Perfect solution.