Product Name: CT175 Adjustable Ratcheting Central Vacuum Hose Attachment. Fits Models: Compatible with Broan-NuTone CT700 power nozzles, Use with CH515 or CH615 hoses Core Function: Each package contains one complete telescoping extension pole assembly, including a hose-end adapter. The product features a ratchet-style locking mechanism and a push-button lock, with a built-in hidden cord design. Its dimensions are identical to those of the original equipment, allowing for direct replacement and installation. Quality and size of accessories: The product features a metal body with high-strength engineering plastic connectors and a gray finish. The telescoping adjustment range is 26 inches to 39 inches, with precise 1-inch increments. When retracted, the dimensions are 29.52 inches in length, 3.72 inches in width, and 2.52 inches in height. Compatibility Note: Please check your machine model before buying. Ensure it matches one of the listed models to guarantee a proper fit. Product Name: CT175 Adjustable Ratcheting Central Vacuum Hose Attachment. Fits Models: Compatible with Broan-NuTone CT700 power nozzles, Use with CH515 or CH615 hoses Core Function: Each package contains one complete telescoping extension pole assembly, including a hose-end adapter. The product features a ratchet-style locking mechanism and a push-button lock, with a built-in hidden cord design. Its dimensions are identical to those of the original equipment, allowing for direct replacement and installation. Quality and size of accessories: The product features a metal body with high-strength engineering plastic connectors and a gray finish. The telescoping adjustment range is 26 inches to 39 inches, with precise 1-inch increments. When retracted, the dimensions are 29.52 inches in length, 3.72 inches in width, and 2.52 inches in height. Compatibility Note: Please check your machine model before buying. Ensure it matches one of the listed models to guarantee a proper fit.