Application: Drain | Average Lead Content: Lead Free | Brand Name: Fernco | Compatible Pipe Material: No Hub Cast Iron | Diameter: 4-3/8 in. | End 1 Diameter: 4 in. | End 1 Type: HUB | End 2 Diameter: 4 in. | End 2 Type: HUB | Fitting Type: Clamp | Length: 3 in. | Material: Neoprene Rubber | Material Type: Neoprene Rubber | Maximum Pressure: 4.3 psi | Number in Package: 1 pk | Schedule Type Number: Schedule 40 The No-Hub Coupling has a patented shield design that provides maximum transfer of pressure from the clamps to the gasket and pipe. Engineered to connect no-hub cast iron pipe in applications, replacing the less-efficient hub and spigot. | 5/16" hex-head screw applies 60 in. lbs of installation torque to the band/shield assembly | Standard no-hub couplings conform to CISPI 310 | Couplings comply with ASTM C 1277 | Gaskets are made from an elastomeric compound that meets the requirements of ASTM C 564