onltco rv vent lid replacement rv vent cover, trailer, camper, motorhome roof vent cover white stainless steel hinge 2 pack onltco brand: onltco condition: 100% brand new color: white size: item outer frame: 15" x 15" item inner frame: 14-1/2" x 14-1/2" please see product image for details measurements fit for 14" x 14" vent package include: 2 pack vent covers. need to assemble by yourself, suitable for buyers who like hands-on assembly. there may be sharp edges on hinge, please be careful when installing.