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