DUCT PIECES
Roof Cap
12 Ft. Straight Duct (6"
Round )
Rectangular-to-Round
Transition Adaptor *
Equivalent lengths of duct pieces are based on actual
EQUIVALENT
LENGTH
24 Ft.
12 Ft.
5 Ft.
4
NUMBER
EQUIVALENT
x
USED
=
LENGTH
x
(1)
=
24 Ft.
x
(1)
=
12 Ft.
x
(1)
=
5 Ft.