Standard Mount Plastic Base Jensen-Style Vent by Heng's Industries. Features: exclusive self-centering device eliminates installation guesswork, assures perfect alignment in roof opening. Attractive radius corners are standard. Screen allows air through, keeps bugs out. Positive-seal weather stripping is leak-resistant and weather-tight. Hinge: Jensen-style slotted. Advantages: acrylic UV-resistant translucent lid conforms to Federal Motor Vehicle Safety Standard (FMVSS). Hand crank opens and closes lid securely. White base, non-powered 14" x 14" vent with 1-1/2" (vertical leg) white garnish and white screen. Individually boxed. White.