Flexible Coupling Body Material Elastomeric PVC Length 4 In. For Pipe Size 3 in x 3 In. Inside Dia 3-61/64 in x 3-61/64 In. Max Pressure 4.3 psi Band Material 300 Stainless Steel Resistant To Chemicals Ultraviolet Rays Fungus Growth and Normal Sewer Gases Standards ASTM D5926