Nilfisk and Electrolux Panther GD930/S2 and Electrolux Euroclean UZ930 Panther commercial vacuum cleaner HEPA filter, it fits in the black lid of the machine.
According to EN 60335-2-69 The Terms "TYPE H" FILTRATION and HEPA FILTRATION are NOT INTERCHANGEABLE
The HEPA classification only considers the "efficiency of filtration" eg H10, H11, H12, H13, H14, U15 and U17 NOT the SUITABILITY FOR USE with HAZARDOUS or COMBUSTIBLE dusts.
These vacuums were used with asbestos when they were "approved" under a previous standard.
They are also very popular in the Aged Care sector and for use in hospitals. OH and S personnel like to keep records of when they were changed and replace them each two year period.