The accessories on vacuum cleaners, both wet and dry, can sometimes fail and that's where these replacement parts come in handy. They have a 38mm pipe diameter and is designed for many Numatic machines with the same pipe size. Kit Includes - Stainless Steel Tube Bend, 2 x Stainless Steel Straight, 400mm ProFlo Wet Floor Tool, 2.4m Nuflex Threaded Hose.