Fernco P1006-66 Concrete to Cast Iron or Plastic Pipe CouplingSupplied with reducer. Fernco P1006-66 Concrete to Cast Iron or Plastic Pipe Coupling Features:; Made of an elastomeric compound that meets the requirements of ASTM #D5926, C1173 and applicable portions of ASTM #C443, C425, C564, CSA B602 and D1869; Leak-proof, root-proof and are resistant to chemicals, ultraviolet rays, fungus growth, and normal sewer gases; Stainless steel clamps are corrosion-resistant and rust-proofFernco P1006-66 Concrete to Cast Iron or Plastic Pipe Coupling Specifications:; Maximum test pressure: 4.3 PSI (29.6KPA); Maximum operating temperature: 140; F non-consistent