Highlights: Size: 4" x 4" PVC Clay To Asbestos For connecting pipes made of unlike materials such as clay to cast iron Suitable for underground use Not for use on pressurized plumbing systems Meets ASTM C-1173, C-1277, C1460, CISPI 310, IAPMO PS 109, PS90, & CSA B602 WARNING: This product can expose you to chemica