The Dryer Elbow Vent Connector Measures 4"D And Effectively Turns 90-Deg Within 4-1/2". This Accessory Features Snap-Lock Fittings With Rotating Collars And Is Designed To Be Used In Small Spaces. The Vent Connector Can Be Used With Several Brands; Check To See If Your Model Number Is Compatible. Installing This Accessory Will Require Basic Hand Tools And Novice Repair Experience