... 1)High flow rates 2)Long service life 3)Bigger filtration effective 4)100% integrity tested HONGSHUN Activated Carbon(ACF) Fiber ... Features: 1)Long service life and high flow rates2)Bigger filtration effective, higher absorption coefficient, less ash content than GAC3)Resistant ... inch ,10 inch, 20 inch, 30 inch,40 inchTypical Effective Filtration Area, ft2 ,≥5.4ft2 per 10 inch elementNominal Pore Size ...