Berry Plastics 1.89 in. x 120 yd. Flexfix UL181B-FX Listed Tape

Flexfix UL 181B-FX Listed Tape provides a contractor tough closure system for use on UL Listed flexible, non-metallic air duct. Sealing dryer vent connections. Seals and patches reflective and bubble insulation materials.Sealing class 1 flexible ducts and air connectorsSealing and seaming bubble and reflective insulationHand tear-ableTough and durable