Flexible Coupling *Schedule Type Number: Schedule 40 *End 1 Diameter: 4 in. *End 1 Type: Hub *End 2 Diameter: 2 in. *End 2 Type: Hub *Material: PVC *Product Type: Flexible Coupling *Maximum Pressure: 4.3 psi *Application: DWV *Average LeadContent: Lead-Free *ANSI Certified: No *IAPMO Certified: No *Number in Package: 1 pk *NSF Listed: No *Stainless steel clamps are corrosion-resistant and rustproof *Discovery ACC, CON, NBR, SUP, EXP