Purolator's ULTRA-CELL Hepa filtration products are
high efficiency aluminum industrial separator style professional filters, except for the
ULTRA-CELL "V" Pleat.
They are manufactured for environments requiring
95% minimum efficiency on .3 micron particles,
99.97% efficiency on .3 micron, or 99.99% efficiency on
.3 micron (scan tested to assure no leak shall exceed 0.01% of the upstream challenge).
A complete line of cleanroom compatible vacuum cleaner systems (Cleanroom Class 10 (STD 209) ISO Class 4) with ULPA filtration, as well as industrial vacuum cleaners devised to handle items like nuclear waste, mercury or bio-hazard.