STRESS SAVER® XP (NSF) Standard 61-certified
National Sanitation Foundation (NSF) Standard 61-certified The STRESS SAVER® XP a blend of high performance fluoroelastomers, molded with the same rib configuration as the rest of the STRESS SAVER family of products. In addition, the STRESS SAVER XP is National Sanitation Foundation (NSF) Standard 61-certified for use in drinking water systems and carries the Lubrizol System Compatible certification making it suitable for use in CORZAN (CPVC) Piping. Style 9780 XP STRESS SAVE® NSF-61