Manufactures 10 year Warranty: Manufactures 10 year warranty on the filter housing, tank head and bypass valves against manufactures defects. Manufactures Performance Guarantee: The Natursorb systems, NSC(natursorb carbon) NSS(natursorb softener) NSSC(natursorb combo) medias carry a Manufactures Performance Guarantee for a period of  5  (five) years from the date of purchase.  The manufactures authorized dealers shall … Continue reading Register Warranty