The LASCO PV436213 1.5 x 2 in. MPT x SKT Male Adapter is a high-quality plumbing pipe fitting made from PVC Type 1 Cell Classification 12454-B. It is designed for use in Poly (Vinyl Chloride) (PVC) or Chlorinated Poly (Vinyl Chloride) (CPVC) systems and is compliant with ASTM D-1784 and D-2466 standards. This male adapter is suitable for use in drinking water systems as it is listed under NSF/ANSI Standard 61 Annex G. It has a maximum service temperature of 140°F and should not be used in the hot or cold water distribution system in a dwelling. Please note that it is not suitable for use with compressed air or gases.