The 665 BIF Series Water Filter by NOVO effectively removes stubborn iron, manganese, and sulfur from water without the use of chemicals. This system employs a unique process where incoming raw water passes through a compressed pocket of air in the first tank, precipitating iron into solid form. The second tank's media bed acts as a catalyst, further facilitating the iron precipitation reaction. Periodic automatic regeneration replenishes the air supply and cleans the media of filtered iron, ensuring clean, clear, iron, manganese, and sulfur-free water.