18" Ridged Duct Extension

Ridged Sheet Metal Duct extension connection kit.

This duct extension is to help connect your Thermasi heating and cooling system to the main ductwork in your home.

The Ridged Sheet Metal Duct Extension connection kit is to help connect your Thermasi heating and cooling system to the main ductwork in your home. (Can connect with Thermasi Expandable duct extension kit as well)

This extension sets ontop of the Thermasi furnace or A-coil to connect to the main ductwork in your home.

Height: 18"

Width: 18"

Depth: 22"