摘要 |
A double air duct boot which includes a pair of identical opposed severable parts, joined through a central section. The two parts are geometrically symmetrical about the central section which joins the two parts. The central section includes a pair of identical halves joined at a central plane. The central section includes a pair of opposed segments of a cylinder constituting spaced, arcuate opposed side walls and a pair of opposed transverse walls joining the opposed arcuate side walls and lying in parallel planes. The central section is completed by a pair of elongated parallel end walls which extend perpendicular to the transverse walls to complete the closure of the central section. Each of the opposed severable parts includes a tapered riser section joined to the central section through an intermediate, optionally usable, arcuate duct mating section.
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