1Pcs 4mm 20mm Inner Diameter Aluminum tube alloy Hollow AL rod hard bolt pipe duct vessel 200mm L 22.2mm 24mm OD|Pipes| - AliExpress
Compressed Air Pipe, Blue Tube Compressed Air, Blue Airline Pipe, Blue Air Pipe Fittings, Blue Air Pipe, Airline Pipe Size, 6 Inch Aluminum Pipe, High Pressure Air Pipe, Designing A Compressed Air
Aluminum SCH 40 Pipe 1" (1.315) OD x .133 Wall – Des Moines Steel Inc.