This Dryer Telescoping Vent Periscope Measures 0" L To 18" L And Is Designed To Use In Small Laundry Spaces With 2-1/2" Clearance. It Features One Male Snap-Lock Fitting And One Extra Long Draw-Band Collar For Easy Installation; Excess Length Can Be Trimmed To Fit. The Beveled Ends Of The Item Prevent Interference With Or Damage To Floors And Wall. 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.