Dometic FanTastic Ultra Breeze Trailer Roof Vent Cover for FV4100LWUS F81-SP
Updated 10/22/2025 | Published 10/17/2025 >
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Question:
I have 2 fantastic fans on my RV. Model FV4100LWUS F81-SP. I would like to buy the compatible Dometic Ultra Breeze vent covers for this. What Dometic Ultra Breeze Vent cover do I need? Model
asked by: Allison
Expert Reply:
Hi Allison; assuming you want the black cover the Dometic FanTastic Ultra Breeze Trailer Roof Vent Cover # DMC38FR you were looking at is what you need. If you would prefer white then you need the # FVU1500WH instead.
What kind of RV do you have?

Allison
10/21/2025
2024 Unity Leisure Travel Van we have 400 watts of solar power on our roof
Product Page this Question was Asked From
Dometic FanTastic Ultra Breeze Trailer Roof Vent Cover - 19.5" x 19.5" x 10.5"- Black
- RV Vents and Fans
- Vent Cover
- Roof Vent
- Plastic
- Black
- Dometic
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Allison
10/21/2025
Thanks Robin how do I measure my vents to make sure I have the space to fit these on? I have solar panels and an AC close to each vent