This Dryer Telescoping Vent Periscope Measures 18"L To 29"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 Is A Universal Accessory That Can Be Used Across Several Brands; Check To See If Your Model Number Is Compatible. Installing This Accessory Will Require No Disassembly Or Repair Experience. You Must Unplug The Dryer Or Shut Off The House Circuit Breaker For The Appliance Before Installing.