Tundra 3 L Polyethylene Foam Pipe Insulation (Pack of 18)UPC: 064849351020 Manufacturer Part No: PR38078UATUO Brand Name: Tundra Length: 3 Self Sealing: No Material: Polyethylene Foam Product Type: Pipe Insulation R Value: 2. 2 Maximum Pipe Size: 3 4 in. Fits 3 4" copper pipe or 1 2" iron pipe Wall thickness 3 8" Brand Name: Armacell Length: 3 ft. Wall Thickness: 3 8 Semi Slit: Yes Maximum Temperature: 210 Flexibility: Flexible Color: Black Minimum Temperature: 90 California residents see Prop 65 WARNINGS