Dometic Extension Duct Kit – Fits Ibis 4, Harrier Lite, Harrier Plus, Freshjet 7 (Model 4450017931)

Need a little more reach for your Dometic RV air conditioner?

This is the official extension duct, designed to fit Dometic units like the Ibis 4, Harrier Lite, Harrier Plus, and Freshjet 7.

Model number 4450017931.

It's a genuine Dometic part, so you know it fits right and works right.

The measurements are roughly 30 inches long, 25 wide, and 10 high—plenty of room to route that cool air where it needs to go.

Brand new, ready to install.

If your ductwork comes up short, this is the fix.