TRINITY Carbon Block Filters provide the most efficient Carbon Block Filters performance possible by combining the highest quality, FDA-compliant raw materials with cutting-edge manufacturing methods resulting in unequaled performance. Trinity Carbon Block Filter Cartridges employ a premium grade carbon with industry-leading surface area allowing for the optimum use of the carbon's Adsorptive capacity. The higher surface area extends the life of the Carbon Block Filter Cartridges, lowering the need for frequent filter changes. Trinity Carbon Block Filters and Carbon Block Filter Cartridges offers exceptional consistency, which maximizes the adsorption capacity.