Amazon.com: Respiratory Tubing Connector Multi Adapter 22mm O.D. x 22mm I.D. : Health & Household
Amazon.com: VictorsHome 6063 Aluminum Round Tube, 22mm OD 1mm Wall Thickness 300mm Length Metal Seamless Straight Pipe Tubing for DIY Crafts Model 2pcs : Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (22mm OD x 19mm ID x 300mm L) 2Pcs, Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Ackers Transparent Acrylic Test Tube Rack, 6 Tube Capacity, 0.87“ (22mm) Holes for 25ML Test Tubes: Amazon.com: Industrial & Scientific
Amazon.com: MECCANIXITY Clear Round Rigid PC Tube 22mm ID x 25mm OD x 1M Polycarbonate Tubing : Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (22mm OD x 14mm ID x 300mm L), Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: MECCANIXITY Plastic Pipe Rigid Polycarbonate Round Tube Clear 0.86"(22mm) ID 1"(25mm) OD 9.6" (245mm) High Impact for Lighting, Models, Water Plumbing, Pack of 3 : Industrial & Scientific
Amazon.com: METALLIXITY 6063 Aluminum Tube (22mm OD x 18mm ID x 200mm L) 4Pcs, Aluminum Round Tubing - for Home Furnishing, Machinery, DIY Handicraft : Industrial & Scientific
Amazon.com: Aluminum Round Tube 1" x 0.87" x 23.62" Long, 2Pcs 25mm x 22mm x 600mm OD x ID x L 6063 Round Aluminum Tubing 25mm Outer Diameter Wall Thickness 1.5mm (Kwweeoo) :
Amazon.com: uxcell Silicone Tube 22mm ID X 26mm OD 3.3' Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Pump Transfer : Industrial & Scientific