FeaturesASTM D-1784 - Rigid Poly (Vinyl Chloride) (PVC) Compounds and Chlorinated Poly Vinyl Chloride (CPVC) CompoundsASTM D-2466 - Socket Type Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings Schedule 40.ASTM F-1970 - Standard Specification for Special Engineered Fittings Appurtenances or Valves for use in Poly (Vinyl Chloride)(PVC) or Chlorinated Poly (Vinyl Chloride)(CPVC) systems.MATERIAL - LASCO Schedule 40 Fittings are produced from PVC Type 1 Cell Classification 12454-B. -O-rings are produced from a Buna- N (Nitrile) materialLISTINGS - NSF/ANSI Standard 61 Annex G: Drinking Water System Components Weighted average lead content of less than or equal to 0.25% and is in compliance with California's HealthSize - 0.75 in.