Amazon.com: PrimoChill 12mm ID x 16mm OD Rigid PETG Tube – 6 x 30in. – Clear : Electronics
Amazon.com: uxcell PVC Rigid Round Clear Tubing, 15mm ID x 16mm OD, 0.5m : Industrial & Scientific
Amazon.com: MECCANIXITY Foam Tubing, 6mm ID 16mm OD 1m Length Tube Covers for Handle Grip Support Pipe Insulation, Black Pack of 2 : Industrial & Scientific
uxcell PVC Clear Vinyl Tubing, 16mm(5/8") x 19mm(3/4") Plastic Tube Flexible Water Pipe 3.3ft - - Amazon.com
Amazon.com: Tool Parts OD 16mm Hydraulic Alloy Steel Tubes Seamless Steel Pipe Explosion-proof tube home DIY tool parts - (CN, Color: 500mm long, Specification: ID-8mm) : Industrial & Scientific
16mm OD x 2m Seamless 316 Stainless Steel Tubing: Amazon.com: Industrial & Scientific
Amazon.com: Beduan Pneumatic Push to Connect Fittings Male Straight PC 16mm Tube OD x 1/2 Inch Male Thread Push Lock Fittings : Industrial & Scientific
uxcell Silicone Tube 16mm ID X 20mm OD 3.3' Flexible Silicone Rubber Tubing Water Air Hose Pipe Translucent for Pump Transfer
Amazon.com : Rubber for Spearfishing Speargun Band/Sling 5/8 inch (16mm) by The Foot - Variety of Colors - Prime Line Natural Rubber (Amber, 3 Foot) : Sports & Outdoors