6" x 6" x 4" PVC Sewer and Drain Reducer Wye at Menards®
4" Schedule 40 PVC Pipe Inside Connector | Order Now
Formufit 1-1/4 in. Furniture Grade PVC 5-Way Cross in White (4-Pack) F1145WC-WH-4 - The Home Depot
NDS PVC S&D 45° Wye, 4 in. Hub X Hub X Hub 4P08 - The Home Depot
Amazon.com: Rainbow Dream 4-Way 1 Inch PVC Elbow Corner Tee Fittings - Build Heavy Duty Furniture Grade for 1 inch PVC Pipe - 8 Pack, White : Industrial & Scientific