Quietflex SS606 Insulated Duct Sleeve R6 6 in 5 Ft

Product Description

The QUIETFLEX SS606 is a fiberglass-insulated metal sleeve designed for use in HVAC duct systems where thermal performance and temperature resilience are required. Part of the SS60 Series, this sleeve carries an R6 insulation rating and handles continuous operating temperatures from -20 to 180 degrees F, with intermittent exposure rated to 200 degrees F. The 6-inch diameter and 5-foot length make it suitable for standard trunk-and-branch residential and light commercial duct runs. HVAC installers and sheet metal contractors use this sleeve to wrap or transition flexible duct connections while maintaining thermal efficiency at the fitting point.

The SS606 is used in residential and light commercial forced-air systems where insulated duct sleeves are needed at connections, penetrations, or transitions. The metal construction with silver finish is appropriate for exposed mechanical spaces, attics, crawlspaces, and plenums where durability and thermal retention are a priority. It is installed by HVAC technicians during new construction or retrofit work requiring insulated duct sleeves at supply or return air connections.

Key Features

• R6 fiberglass insulation rating for effective thermal retention in conditioned air systems
• Continuous temperature rating of -20 to 180 degrees F suits a wide range of HVAC applications
• Intermittent temperature tolerance up to 200 degrees F adds a safety margin during peak load conditions
• 6-inch diameter fits standard residential and light commercial duct branch sizes
• 5-foot length provides sufficient coverage for typical connection and transition runs
• Metal construction with silver finish offers durability in attic, crawlspace, and mechanical room environments

Compatibility

Designed as an OEM-style insulated duct sleeve for use in residential and light commercial forced-air HVAC systems requiring a 6-inch diameter R6-insulated metal sleeve at duct connections or transitions.

Installation Notes

Installation is performed by licensed HVAC technicians or qualified sheet metal contractors. Shut down the air handling system and confirm the unit is de-energized before working on duct connections. Secure sleeve ends with approved duct tape, mechanical fasteners, or draw bands per local mechanical code requirements. Follow SMACNA guidelines and local mechanical codes for duct insulation installation in conditioned and unconditioned spaces.

Technical Specifications

• Series: SS60 Series
• R-Value: R6
• Insulation Material: Fiberglass
• Diameter: 6 inches
• Length: 5 feet
• Material: Metal
• Color: Silver
• Continuous Temperature Rating: -20 to 180 degrees F
• Intermittent Temperature Rating: -20 to 200 degrees F

Standard Information

• Brand: QUIETFLEX
• Manufacturer Part Number: SS606