Click Here for more sizes Overview Product Description Product Videos Custom Field Open/Closed Open Width 18" Height 18-3/4" Projection 2" Origin Made in USA Product Reviews Write a Review Write a Review × QRLL18O Functional Left Quarter Round Louver Vent Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *