MIRACLE-Kingco Ultraseal Green MR5007 is a water based, fibrous interior/exterior grade sealant/mastic specifically formulated for use in the fabrication, sealing and coating of UL 181B Flexible Air Ducts. MR5007 can be also be used with metal and fiberglass. MR5007 exhibits high resistance to mold, mildew, water, extreme temperature changes and aging. MR5007 is also resistant to oil and grease.

• 1 Gal Pail Light Gray