The accessories on extraction cleaners can sometimes fail and that's where these replacement parts come in handy. They have a 32mm pipe diameter and is designed for many Numatic machines with the same pipe size. Kit Includes - Stainless Steel Trigger Tube Bend, Stainless Steel Lower Extraction Tube, Stainless Steel Straight tube, 100mm Upholstery Tool, 275mm Aluminium Extraction Tool, CleanTec Trigger & Valve Tube, 4m CleanTec Extraction Hose.