FLEX PVC COUPLING 6"X4" *Brand Name: Fernco *Schedule Type Number: Schedule 40 *End 1 Diameter: 6 in. *End 1 Type: Hub *End 2 Diameter: 4 in. *End 2 Type: Hub *Material: PVC *Product Type: Flexible Coupling *Number in Package: 1 pk *Application: DWV *Maximum Pressure: 4.3 psi *Average Lead Content: Lead-Free *ANSI Certified: No *NSF Listed: No *IAPMO Certified: No *Stainless steel clamps are corrosion-resistant and rustproof *Mechanical connection type *Discovery ACC, CON, SUP, EXP