Westfalia Vanagon with Poptop Roof Vent Adapter for 11" x 11" Opening

DIYvan's patent pending roof vent adapter for the Westfalia Vanagon for a 11" x 11" opening. Many Vanagon owners have a desire to replace the skylight that is on this van and replace it with the fan.  About our Adapter Our Patent Pending roof vent adapter matches the contour of the OEM roof so a vent mounts to a flat surface. This adapter works with a NomadicArk 280 x 280 Turbo Fan.  It may work with other fans with a 11" x 11" opening.  It would be best to reach out to us to verify before ordering this one.    Key Features of our Patent Pending Roof Vent Adapters: Custom Fit for Westfalia Vanagon Roofs: Matches the OEM roof contour, providing a flat surface for vent mounting. Prevents Roof Distortion: Avoids bending the sheet metal or vent flange during installation. Durable & Resilient Material: CNC-machined from UV- and fire-resistant expanded PVC for long-lasting performance. Ready to Use Template: Our adapter can be used as a template for cutting the hole in your roof to