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Although this carbon block may look similar to other carbon blocks on the market, it's what's inside that counts. Our Newest Innovation, The SuperBlockTM is a proprietary blend of 2 superior types of high-grade, ultra-pure Catalytic Carbons in 1 single compression molded 0.5 micron block. The purpose for this innovation is this: various carbons have different micro, meso and macro pore sizes which determine how well they absorb specific types of chemical molecules, incorporating only one type of carbon is good, but it will not absorb certain ranges of chemicals that well, and often two different carbon blocks are needed, which costs more money and uses up an extra chamber in the filter system. We have taken the most effective carbon types which allowed for all the necessary pore size ranges, and added Catalytic Grade for superior chemical decomposition: including the persistent chloramine, hydrogen sulfide, and other difficult to remove chemicals, thus, creating one of the most potent, dynamic and useful carbon blocks on the market today for a super wide-range chemical absorption spectrum (over 2x more potent than a single carbon catalytic carbon block and up to 15X more potent than a regular activated carbon block).
These are Made in the USA and for added benefit are infused with the patented and natural KDF55 Media to discourage bacterial growth and prevent fouling (which often occurs in low-end carbon blocks). The carbon powder is compression molded into a block that yields 0.5 micron pores (that's apx. 50x smaller than beach sand), eliminating channeling (where water forms channels that bypass carbon), maximizing chemical adsorption, micro particulate and microbial cyst filtration.
This SuperBlockTM is also effective at removing the Radioactive Isotope Iodine-131, Radon and various chemical contaminants such as Pharmaceuticals, Volatile Organic Compounds, Chlorine, Oil Industry Byproducts (petrochemicals), and more.
About Removing Radioactive Iodine 131 using Carbon:
[Activated carbon can be used as a substrate for the application of various chemicals to improve the adsorptive capacity for some inorganic (and problematic organic) compounds such as hydrogen sulfide (H2S), ammonia (NH3), formaldehyde (HCOH), radioisotopes iodine-131(131I) and mercury (Hg). This property is known as chemisorption.
Under an electron microscope, the high surface-area structures of activated carbon are revealed. Individual particles are intensely convoluted and display various kinds of porosity; there may be many areas where flat surfaces of graphite-like material run parallel to each other, separated by only a few nanometers or so. These micropores provide superb conditions for adsorption to occur, since adsorbing material can interact with many surfaces simultaneously. Tests of adsorption behaviour are usually done with nitrogen gas at 77 K under high vacuum, but in everyday terms activated carbon is perfectly capable of producing the equivalent, by adsorption from its environment, liquid water from steam at 100 °C and a pressure of 1/10,000 of an atmosphere.] - Wikipedia (source)