4" K.D.Metal Ducting Pipe (36" Length)
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4" K.D. pipe is called "knock down" galvanized sheet metal pipe in standard 30 gauge.
This K.D. piping is left open for cutting and fitting to your application such as vent piping and appliance, water heater or furnace.
Once you snap the pipe together the connection is permanent. The joints can be drive screwed together, then covered with insulation or sealant.
Visit our Accessories Department for Tapes, Sealers, Screws and much more.
K.D.Pipe Diameters range from 3" to 20" with 36" lengths.
(Cut to fit then snap it together).
See our Tape and Sealers section for materials.
We can also manufacture any special Duct size's that you may have.
Call or e-mail us Today.