Shielded Transition Coupling Body Material 300 Stainless Steel Shield and Neoprene Gasket Length 2-1/8 In. For Pipe Size 1-1/2 in x 1-1/4 In. Inside Dia 1-15/16 in x 1-3/8 In. Max Pressure 4.3 psi Band Material 300 Stainless Steel Resistant To Chemicals Ultraviolet Rays Fungus Growth and Normal Sewer Gases Max Temp 180 Degrees F Standards ASTM C1460