Nano-Silver Shower Filter by Marrinn - SGS Certified, NSF 177 Tested, Far Infrared Technology, Kills Bacteria, Removes Chlorine, Chloramine, Heavy Metals and Minerals - For Smooth Hair and Skin SGS CERTIFIED, NSF 177 TESTED - Forget all the other non-certified shower filters. Trust only a certified product. HIGH CAPACITY, LONG LIFE - Delivers 5 times capacity than average shower filter. Lasts up to 50,000 Liters. REMOVES HARMFUL CHEMICALS - Effectively removes Chlorine, Chloramine in the water so you'll have fresh, sanitized and pure water only. KILLS 99.99% GERMS - Instantly sanitized your water. Now say goodbye to smelly water and enjoy true pure and clean water.