Cen-Tec Systems 90155 1 &frac12;&rdquo; Back pack Vacuum Cleaning Accessory Pack with Telescopic Commercial Wand The 90155 is an ideal package for the most frequently replaced back pack vacuum accessories on back pack vacuums equipped with 1.50 hose. To confirm compatibility with your vacuum measure the inside diameter of your hose cuff with a ruler to confirm it has an approximately 1.50 opening A 14 nylon fill floor brush with window cut insures larger debris can be captured without having to lift the tool from the floor surface. The 14 scalloped carpet tool is ideal for all carpeted surfaces and fiber covered walk off mats at entry points A 3.5 natural fill dusting brush features a fill guard to prevent the fill from collapsing into the air stream. A 5 upholstery tool fits into standard 1.50 hose cuffs. The 15 paddle style crevice tool is angle cut to insure continuous air flow 43 fully compressed to 58 fully extended ratcheting at one inch intervals Compatible with most major brands of back pack vacuums, including: Pro-Team, Perfect, Bissell, Mosquito, Sandia, Mercury, Tennant, Karcher, Nilfisk, and Hawk