If dirt, dust and germs are removed from your home with harsh chemicals, what is removing the harsh chemicals from your home? Ironically, conventional cleaning chemicals actually increase indoor pollution and make your home more prone to promoting damaging health problems. By using Green Cleaning materials and procedures, Maid Brigade eliminates the use of harsh, toxic chemicals that can cause pollution in your home and damage to the environment. And Maid Brigade's high-efficiency vacuum cleaners remove more fine, irritating particles than conventional vacuums. You will get a certificate worth two hours of Green Cleaning by Maid Brigade. Maid Brigade's certified Green Cleaning is the only housecleaning system that uses "green" solutions that are certified by Green Seal for a safe, yet thorough cleaning. This certificate expires in July, 2009.