If your inside ducted ceiling assembly looks like this,
then the CA200 will work for you.

Product Description: DA100

The WackO Products DA100 is an air conditioner silencer kit that allows you to run your RV A/C unit without all the noise. Never try listening to your TV over your air conditioner or being kept awake by the unbearable noise ever again.

• Designed to fit Dometic or GE brand air conditioners with a ducted system. (If you use a Coleman A/C model, see part #CA200)
• Installs easily in under 15 minutes with a screwdriver, no drilling required.
• Recycled cotton duct liner gives superior acoustic and thermal performance.
• Noise reduction ranges from 8-10 decibels (dB).
• Electrostatic air filter helps eliminate dust, lint, pollen, and other pollutants in the air.
• The air filter is a 4 layer weave design, is nonporous, mildew resistant, and does not degrade over time.
• The filter can easily be cleaned with a vacuum cleaner, or optionally removed and washed.
• Clean the outer casing with a damp cloth or gentle cleanser.
• Dimensions: 17" x 17" x 2.25".
• Weight: 2.93 lbs.

Install and Review Video

Watch as James from The Fit RV installs and puts the RV A/C Silencer to the test in his new Winnebago EKKO.