The Master Flow 6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which contains 50% more insulation than the standard R4.2 product.

R8.0 Insulated Flexible duct from The Duct Shop is perfect for residential and light commercial heating and air conditioning systems. It is easy to cut to desired length and light weight for easy installation. Because it is flexible, it is easy to run around and through obstacles in the building.

The Master Flow® Insulated Flexible Duct - Silver Jacket – R8 has R8 insulation which contains 50% more insulation than the standard R4.2 product, provides greater thermal efficiency and may help to save on energy costs.

Find expert-curated Flexible Air Duct products from the #1 US plumbing supplier and top distributor of HVAC, waterworks, and MRO products.

Insulated Flexible Duct is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The R8 insulation options provide between 2-3% in annual savings over R6 insulation while the R4.2 insulation options provide similar annual savings over standard fiberglass insulation.

The Master Flow 6 in. x 25 ft. Insulated Flexible Duct R8 Silver Jacket is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which contains 50% more insulation than the standard R4.2 product.

The R8 Insulated Flexible Duct is used in standard Heating and Air Conditioning (HVAC) systems and some venting applications. The duct has R8 insulation which provides between 2-3% annual savings over R6 insulation. The product is also covered in a heavy duty, silver jacket for durability. Comes in 25' lengths but it can be cut to length as needed.

Quietflex Rip-Stop Silver Jacket Flex Duct has a metallic, polyester-vapor barrier with a special “rip-stop” scrim reinforcement; Johns Manville Formaldehyde-free™ fiber glass insulation; Greenguard® Certified insulated products; Galvanized metal core reinforcing; Oversized core to fit on collars and register boxes; Weather-resistant ...

Thermaflex flexible ducting is UL 181 Listed Class 1 air duct. Strong polyester film laminated and encapsulating a heavy steel wire helix forms the inner core. The outer silver film provides a reflective surface on the inner core.