Depth Filtration Market was worth USD 1.52 billion in 2016 and is projected to grow at a CAGR of 12.1%, to reach USD 2.69 billion by 2021. In depth filtration method, particulate matter is retained throughout the depth of medium by porous filtration medium unlike the conventional filters which retain particles only on the surface of the medium. Depth filters can retain large amount of particles before they get clogged by the particles.