Amazon.com: Pipe Insulation Foam Tube,Insulation Tubing for Air Conditioner,Foam Tubing 5.9 Ft Length 0.78in ID Hollow Pipe Cover for Protecting Pipes and Heat Preservation Black 1 Pack (Size : 25mm x20mm x1.8m :
3cm ø Colorful Hollow Swimming Foam Tube Set | PLOMA
100% Silica Gel Hollow Flexible Foam Tubing Uniform Density Strict Testing