WAP by Nilfisk-Alto PET washable pleated filter cartridge for the Attix 751-11 industrial wet and dry vacuum cleaner USE SKU 302000490
This is a Type L Filter for the Nilfisk-ALTO ATTIX 751 and the Nilfisk-ALTO Attix 550-21 Series.
The cartridges dimensions are 140mm high. The major external diameter of the blue ring is 185mm, and the internal diameter of the blue ring, 140mm.
I've used a photo of SKU 302000490 which has more pleats, to illustrate this Class L Filter.
If you want any other replacement parts and accessories featured below, standard postage is capped at a maximum of $25 within Australia, and free postage after a $400 spend!