DERPIPE Clear Vinyl Tubing - 1/2" ID 5/8" OD PVC Tube Food Grade Flexible Plastic Pipe Hose for Homebrewing, Siphon Pump 3 Meters(10ft) Length: Amazon.com: Industrial & Scientific
Amazon.com: YIYITOOLS Ratchet-type Tube and Pipe Cutter for Cutting O.D. PEX, PVC, and PPR Plastic Hoses and Plumbing Pipes up to 1-5/8"" inches, Ideal for Home Working and Plumbers", 42mm ,1-5/8'''.od(QF-1-003) :
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 :