JPL MHP-25 4-in Insulated 25-ft. Flex Duct – R6
$54.99
This flexible fiberglass insulated 4-in. x 25 ft. duct is constructed with a spring steel wire helix encapsulated in a 2-ply air tight inner core and a unique metalized reinforced vapor barrier surrounds the entire duct.. Select R6 or R8 insulation options for supply or return air ducts in low to medium pressure duct systems.
Specification: JPL MHP-25 4-in Insulated 25-ft. Flex Duct – R6
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