Carbon Block Filters

TST Carbon Blocks TST Signature and Standard Series carbon blocks are made from the finest materials available. Our Signature Series blocks are compression molded using premium coconut shell powders and advanced binder technology to enhance the structural matrix and maximize the available carbon surface area. What does this mean to you? A high quality, unmatched product line that delivers excellent performance. Our Standard Series blocks are extruded using either coconut shell or bituminous coal powders and industry standard binders that delivers a low cost workhorse for everyday applications.