Insulation Protection Shield, 5A, Material of Construction Galvanized, 18 Gauge, Pipe Size 1 To 3 In, Insulation Thickness 1/2 To 1 1/2 In, Insulation OD 4 1/2 In, Length 12 In, Standards and Approvals A-A-1192A (Type 40), WW-H-171-E (Type 41), ANSI/MSS SP-69, and MSS SP-5 (Type 40). This item has been restricted from sale in the following state (s): []