Fantronix 100 mm White PVC Pipe T Joint Ducting Connector for Round Plastic Tube 4 inch Tee Piece for Cooker Hood Extraction Whole House Ventilation Passive Stack Vent Bathroom Extractor Fan :
1-1/2" Tee PVC Fitting Connector
Amazon.com: letsFix 3/4" PVC Pipe, DIY PVC Projects for the Home, Garden, Greenhouse, Farm and Workshop, Sch. 40 Furniture Grade, White [40" x 10 Pack] : Patio, Lawn & Garden