HVAC FLEX DUCT INSTALLATION PRODUCTS 36" & 48" DUCT STRAPS are manufactured with the highest quality standards and are UL181B Listed AL-900 quickly tensions and cuts off excess duct strap without leaving a sharp protrusions HVAC ACTPAC contains blue connectors for thermostat wire and 7" and 11" cable ties for securing wiring and bundling tubing insulation DUCT TAPES 2MF, FSK, ASJ, BFX, ULC, and Silver Contractor Grade HANGING STRAP to quickly install flex duct to joist |