Designed for resistance to heavy earth loads and shear forces, and provides improved pipe alignment.Proflex allows you to make transition pipe connections that are resistant to shear forces, while creating a rigid, long-lasting pipe joint. From 1-1/2" to 8" - PROFLEX connects cast iron, plastic, steel, copper and tubular, drain waste and vent systems.Features: 012" stainless steel shield301 Stainless Steel Clamp BandsSpecifications: Gasket Material: NeopreneGasket ID: Part No. and application on each gasket.Shield Assembly Material Requirements: All 300 Series S.S.ClampBand = 301 Stainless Steel .025 x .500 x LengthHousing = 301 Stainless Steel - FerncoScrew = 305 Stainless Steel 5/16" Hex - No SlotShield - 301 Stainless Steel .012 x 2.125 x LengthEyelet - 305 Stainless SteelInstallation Torque = 60" lbs.Maximum test pressure: 4.3 PSI (29.6KPA)Maximum operating temperature: 180° FConforms to the requirement of ASTM C1460Size:4" x 4"