HEPA Air Filtration Ratings

Efficiency	EN 1822	ISO 29463	Retention (averaged)	Retention (spot)
EPA	E10	—	≥ 85%	—
EPA	E11	ISO 15 E	≥ 95%	—
EPA	E11	ISO 20 E	≥ 99%	—
EPA	E12	ISO 25 E	≥ 99.5%	—
EPA	E12	ISO 30 E	≥ 99.9%	—
HEPA	H13	ISO 35 H	≥ 99.95%	≥ 99.75%
HEPA	H13	ISO 40 H	≥ 99.99%	≥ 99.95%
HEPA	H14	ISO 45 H	≥ 99.995%	≥ 99.975%
HEPA	H14	ISO 50 H	≥ 99.999%	≥ 99.995%
ULPA	U15	ISO 55 U	≥ 99.9995%	≥ 99.9975%
ULPA	U15	ISO 60 U	≥ 99.9999%	≥ 99.9995%
ULPA	U16	ISO 65 U	≥ 99.99995%	≥ 99.99975%
ULPA	U16	ISO 70 U	≥ 99.99999%	≥ 99.9999%
ULPA	U17	ISO 75 U	≥ 99.999995%	≥ 99.9999%

MIA AIR PURIFIER