We had one like this in our class B van; but the C-class we upgraded to didn't have one, so I removed one of the open vents and replaced it with this unit, which provides much better cooling/ventilation than the old passive vent.
Enhanced Motorcraft YH-1767 A/C Heater Blend Door Lever for Improved Performance
9 Review
Efficient Camco RV Roof Vent Cover: Optimal Air Ventilation for Your RV, Rain or Shine
9 Review
RV Roof Vent Fan - Hike Crew 14, 12V 6-Speed Motorhome Fan with Remote, Auto Temperature Control, Intake & Exhaust, Rain Sensor, Electric Open/Close, Smoked Lid - Includes Screws & Garnish
9 Review
๐ Ultra Breeze Vent Cover - White Translucent for Fan-Tastic Vent U1500WH
9 Review
RV Outdoor Mat: LATCH.IT 5X8 Boho Style Reversible Rug Ideal For Camping & Camper Use โ The Ultimate RV Patio Rug For All Occasions!
30 Review
3 Pack 18" LATCH.IT RV Step Covers For Camper And RV Stairs - Fits 8-11" Depths - Keep Your RV Clean With Step Rugs
17 Review
Lippert Solid Stance RV Step Stabilizer Kit For 5Th Wheels, Travel Trailers And Motorhomes
20 Review
๐ช Upgraded RV Screen Door Slider Panel with Easy-Push Knob Opener
10 Review