Mission Rubber 3001215 CK 215 Band-Seal Specialty Coupling, 2-Inch Cast-Iron/Plastic/Steel to 1-1/2-Inch Copper or 1-1/4-Inch Plastic - Pipe Fittings - Amazon.com
Mission Band-Seal 0803635 PK Series Shielded Specialty Coupling, 3 in Nominal, Plastic/Steel/Extra Heavy Cast Iron x Copper End Style, SCH 40/STD, Domestic | Famous Supply
SET OF 2 BAND SEAL 3" CAST IRON TO 3" COPPER PIPE COUPLING CK33 - NEW BUT DIRTY | eBay
Flexseal Shear Band Large Pipe Couplers - Hynds Pipe Systems Ltd.