TVD (The Vacuum Doctor)
35mm Black Round Vacuum Cleaner Dust Brush Suits ALTO WAP and Uprights
35mm black plastic round commercial vacuum cleaners dust brush with stiff nylon bristles, that fits on 35mm tubes.
Usually these are wet and dry vacuums, especially Nilfisk-ALTO such of ALTO Attix 30 Xtream Clean Vacuum Cleaner and the Nilfisk-ALTO Attix 40 Push2Clean Vacuum Cleaner and the Nilfisk-ALTO Attix 50 Xtream Clean Vacuum Cleaner and the WAP branded machines from RSA such as the Nilfisk-Alto AERO 25
They also fit the upright vacuum cleaners, such as Nilfisk GU355 Dual commercial upright vacuum cleaner and the Nilfisk GU455 Dual upright commercial vacuum cleaner
MOST of these described 35mm and 36mm accessories seem to exchange readily between each other.