Replacement Pipe Freeze Canister, Material Application Copper, Average Freezes per Can 6, Can Size 700 g, Time to Freeze As Little as 2 min, Minimum Steel Pipe Size 3/8 in, Maximum Steel Pipe Size 2 3/8 in, Maximum Freeze Duration 15 to 20 min, Maximum Copper Tube Size 2 3/8 in, Minimum Copper Tube Size 3/8 in