i'm not sure if this is what you want , but at:
www.hdsupply.com
you can
search the virtual catalog for
3" X 25' FIBERGLASS WRAP INSULATION
3" x 25' Fiberglass Wrap Insulation - Use On Hot Or Cold Pipes - Will
Insulate 17' Of 1/2" Pipe, 12' Of 3/4" Pipe, Or 10' Of 1" Pipe -
Includes Clear Plastic Film To Make A Moisture-Tight Seal - Mfg #SP41X
THDS Part #: 402580
Mfg #: SP41X
Manufacturer:
Made In: USA