RCD #6 1-Gallon Mastic Duct Sealing Bucket
Item#: 10538.1
RCD #6 11oz Mastic Duct Sealing Tube
Item#: 11423
RCD #6 2-Gallon Mastic Duct Sealing Bucket
Item#: 10538.2
For more info read Duct Sealing Buyer's Guide .