The Hydronix SMCB-2520 is an NSF-certified carbon block filter that uses premium coconut shell carbon for high-efficiency filtration. It captures contaminants as small as 0.5 microns, removing chlorine, taste, odor, and VOCs. Designed for standard 20-inch housings, it is ideal for whole-house or commercial setups. Its dense carbon structure ensures excellent adsorption and long service life. This filter provides clean, crisp water for both residential and professional use. The coconut carbon composition enhances taste while ensuring environmental sustainability. It protects sensitive RO membranes and downstream equipment from impurities. Constructed for consistent performance and reliable flow rates. The unit offers a strong balance between purity and durability. Perfect for applications requiring superior water clarity and safety.