1.89 in. x 60 yd. 557 Pro-Grade UL Listed Duct Tape Pro Pack (12-Pack)

Professional results that a DIYer can be proud of begins with 557 Pro-Grade UL Listed Duct Tape by Nashua. This UL Listed tape is UL code approved for sealing class 1 flexible (181B-FX) duct joints and connections. With a polyethylene-coated cloth backing printed for easy inspection and a durable rubber adhesive, Nashua 557 is the ideal choice for sealing flexible duct work, dryer vents, and for heavy-duty household repairs. Nashua Tape. Trusted by professionals. DIY approved. Count on Nashua to get the job done right.”,”highlights”:[“Inspection ready for class 1 flexible duct systems”,”High strength aggressive bond to withstand duct pressure”,”Available in a 12 roll pro-pack offering”