LASCO 1-in Schedule 40 PVC Tee in the PVC Pipe & Fittings department at Lowes.com
uxcell 25 mm Slip Tee PVC Pipe Fitting T-Shaped Coupling Connector - Amazon.com
1pcs Inner 50mm 75mm 110mm Pvc Tee Connector Tee With Inspection Port Garden Water Connectors Industrial Water Pipe Fittings - Pipe Fittings - AliExpress