Amazon.com: Aluminum Round Tube 2" x 1.85" x 33.46" Long, 4Pcs 50mm x 47mm x 850mm OD x ID x L 6063 Round Aluminum Tubing 50mm Outer Diameter Wall Thickness 1.5mm (Kwweeoo) :
Pangda 4 Pcs 6 ft Pipe Insulation Foam Tube Heat Preservation Insulated Foam Anti Slip Tubing Cover Wrap for Water and Air Conditioning Copper(Black, 0.35 x 0.39 x 70.8 inch, 4 Pcs) - Amazon.com