Auer Steel | 20in Ret Air Duct4860 10ft Length

Auer Steel

The Unico System

Part #UPC04-4860

20in Ret Air Duct4860 10ft Length

: Brand: The Unico System
Length: 10 ft
Type: Insulated
Inside Diameter: 20 in
Material: Aluminum
Insulation Value: R4.2
: Tough aluminized Mylar outer wrap|Spun-bonded nylon and helical wire core|This consists of ten foot long return air duct made out a sound attenuating material that is 20 in ID|1 in fiberglass insulation
: The Unico System Return Air Duct, Insulated, 20 in Inside Dia, 10 ft Length, R4.2 Insulation Value, For Use With: M4860 Return Air Cooling Module, Aluminum