A Vehicle Specific item is specifically designed for the exact measurements of your vehicle. No alterations are required.

A universal fit item is designed to fit and work with almost any vehicle. It will work with your vehicle, but may require some modifications to fit exactly.
RV > RV Ventilation : FANTASTIC VENT
 
Fantastic Vent RV Ventilation
FAN-TASTIC VENT LIDS
$31.99
Vent lids by Fan-Tastic are ideal choices to replace your worn, cracked or warped stock vent lids. They prevent dust from entering your RV through the vents.

FAN-TASTIC ROOF VENTILATIONS WITH FAN VENT AND REMOTE
$323.99
Fan-Tastic roof ventilations with fan vent and remote feature 3-speeds and a silent operation. These fans have polycarbonate domes and a removable screen for trouble-free cleaning. They fit onto any standard 14"x14" opening. They have a wireless remote to open and close the vent as needed to dissipate heat. Vent can also be closed automatically during heavy downpours and opened later using the remote.

FAN-TASTIC ROOF VENTS WITH FAN
$208.99 - $282.99
Fan-Tastic roof venilation fans feature 3-speeds and a silent operation. These ventilation fans have polycarbonate domes and a removable screen for trouble-free cleaning. They fit onto any standard 14"x14" opening.

FAN-TASTIC CRANK HANDLES
$2.99
Crank handles by Fan-Tastic are the ideal choice to replace your stock crank handles.