Product Description This Dryer Telescoping Vent Periscope is designed to use in small laundry spaces with 2-1/2" wall clearance. It features one male snap-lock fitting and one extra long draw-band collar for easy installation. The beveled ends of the item prevent interference with or damage to floors and wall. This is an accessory that can be used with most standard dryers; check to see if your model number is compatible Installing this accessory will require basic hand tools and novice repair experience. You must unplug the dryer or shut off the house circuit breaker for the appliance before installing this part. From the Manufacturer 29"-50" metal vent periscope for tight 2 1/2" clearance. One male Snap-Lock fitting and one extra long draw-band collar. Beveled ends eliminate interference with floors and side walls. Includes 2 clamps.