3/4 inch Foam Hose Outdoor Pipe Insulation for Winter Freeze Protection, Waterproof, for Air Conditioning and Hot Water Heater, ID 0.8in/20mm 1in/25mm 43mm/1.7in 48mm/1.9in 60mm/2.3in 76mm/3in : Amazon.co.uk: DIY & Tools
MADACT Foam Pipe Insulation 1/2 Inch 3/4 Inch 1 Inch ID, Ac Pipe Insulation Foam Tube, Antifreeze Foam Tubing Insulation, 0.59" Wall, 6.2Ft, Used It On Water Pipes Metal Pipes (Size :