Part #UPC043642

MFG #UPC-04-3642

Product Description

18" Diameter x 10' L, 1" Fiberglass R4.2 Insulation, Tough Aluminized Outer Mylar Wrap, Spun Bonded Nylon and Helical Wire Core, Flexible, Round, Return Air Duct for M3642 Air Handler
Flex Duct, 18"x10' R4 Mylar

Part #UPC043642

MFG #UPC-04-3642

Product Description

18" Diameter x 10' L, 1" Fiberglass R4.2 Insulation, Tough Aluminized Outer Mylar Wrap, Spun Bonded Nylon and Helical Wire Core, Flexible, Round, Return Air Duct for M3642 Air Handler