San Diego Duct Cleaning from tobacco
San Diego Duct Cleaning from tobacco residue Environmental tobacco smoke (ETS) contains about 4,000 chemicals, including 200 known poisons such as formaldehyde and carbon monoxide, as well as 43 carcinogens. ETS causes: 1. 3,000 lung cancer deaths a year 2. 35,000 to 50,000 heart... Read More →