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Actual product may vary from photos.
The Alpine LFC4 has been discontinued.
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Please call us for a suitable alternate product.

(800) 865-5931

Mon-Fri 8am-7pm, Sat 9am-3pm CT

These sheet metal take-offs are designed to attach to a flat duct to allow you to connect round ducting to it. They are used to attach your ducting to a supply or return air plenum.

Duct Connection Diameter

The diameter of round duct connected to the fitting.

Duct Connection Diameter
4 inches

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.