DIYVan’s vent fan adapter matches the contour of the OEM roof, creating a flat surface to mount a standard RV style vent fan. The vent fan adapters are CNC machined out of UV and fire resistant expanded PVC.

These adapters are designed to work with the Maxxair Deluxe Series Fan (7000K & 7500K) and the Fantastic Fan; with a 14" x 14" opening.

Compatible with Ram Promaster; High Roof Only. 

Place adapter anywhere along the ribs of roof, all wheelbases.