Overview Reviews Product Description Arlington AI903-1/2 90 Degree Elbow Diameter: 3-1/2 Inch. Product Videos Custom Field Product Reviews Write a Review Write a Review × Arlington Arlington AI903-1/2 90 Degree Elbow Diameter: 3-1/2 Inch NADEG NAWall Thickness HT#NA MTR Available: NA Diameter: 3-1/2 Inches Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *