MICROBEMAX Volumetric Drain Foam eliminates FOGs (fats, oils and grease), through a natural process called bioremediation – the use of biological organisms such as plants or microbes to aid in removing unwanted organic substances from drains where drain flies tend to breed. CB Microbe Max Drain Foam cleas drains easily, efficiently and naturally. Help our environment using a green formulation consisting of millions of natural bacteria that consume and eliminate FOGs without the use of harsh chemicals or bleaches. MICROBEMAX Volumetric Drain Foam will dramatically improve your drains, bottom line, and because it is 100% green, our environment.