Hardcast Flex Duct Connector Strip – 1-3/4" x 100 ft Roll (MFG# 307865)

This Hardcast flexible duct connector is designed to create a strong, leak-resistant connection between HVAC ductwork and heating/cooling equipment or plenums.

Made with a durable Glasstite fabric strip fastened to galvanized metal using a secure S-LOC seam, this connector helps reduce vibration transfer while improving sealing performance.

Features & Benefits:

• Size: 1-3/4" wide x 100 ft roll

• Heavy-duty Glasstite fabric + galvanized metal

• Provides a leak-proof connection between:

  • duct & plenum

  • plenum & equipment

  • HVAC duct transitions

• Ships as a 100 ft coil

• Can be installed on round or square duct

• Ideal for HVAC contractors, commercial installs, and ventilation systems

📦 Includes: 1 roll (100 ft)