Heng's began modifying and then discontinued the 14" RV Roof Vents
New Design Style features a wedge shaped lid and plastic low profile crank handle.
The new style lids will fit the old style housing.
90110A Heng's 14" RV Roof Vent Wedge Style LID ONLY - WHITE
71112A-C Heng's 14" RV Roof Vent w/ 12 volt Fan w/ White Wedge Lid
74112A-C Heng's 14" RV Roof Vent w/ 12 volt Fan w/ Smoke Wedge Lid
71111A-C Heng's 14" Standard RV Roof Vent w/ White Wedge Lid