14" non-powered rv roof vent with white wedge style lid with plastic crank handle | 71111a heng's industries standard universal rv roof vent (non powered) w/ white wedge style lid heng's industries part # 71111a removable screen made from strong, fine mesh handle manual crank style rough cut-out opening dimensions (this is the hole you will need in your roof) 14 1/2” x 14 1/2” roof flange galvanized steel with mill finish exterior mounting flange dimensions (sits on the top of your unit) 16 1/2” x 16 1/2” ****warning all vent metal flanges are very sharp use caution when touching warning ****