NDS 3P16 4-Inch by 4-Inch PVC Adaptor with Drain Waste Vent to Sewer and Drain Connection， White<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Made to ASTM specs and sizes range from 3" to 8"</li><li>Fits sewer and drain pipe</li><li>We also carry schedule 40 adaptors</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31K1FiPD1rL.jpg" noproxy>