The patented filter in the Outdoor Water Filter has been certified to NSF/ANSI standards to remove
 up to 99.9999% of fresh water contaminants, including Giardia and 
Cryptosporidium, and meets and exceeds NSF/ANSI standards 42 and 53. NSF
 42 means that the  our Epic Outdoor Filters removes aesthetic 
contaminants like taste, odor and visible particles. More importantly, 
NSF 53 ensures that it also effectively removes harmful microbiological 
contaminants. 
The Epic Outdoor Filter has also been 
tested to remove: 99.99% of bacteria, cysts and viruses, chlorine 
(99.58%), heavy metals, including arsenic, copper, lead, mercury, 
aluminium, cadmium (97.5%), iodine (91.67%). It also removes Endrin, 
DDD, DDT, Lindane, Heptachlor, PCB’s, Altrazine, Simazine, Nitrite, 
Bromodichloromethane, Bromoform, Benzene, Dibromochloromethae, Carbon 
Tetrachloride, Ethyl Benzene, Methyl Tert Butyl Ether, Trichloroethane, 
Toluene, Xylene, Giardia, Crytoporidium, E. Coli, E. Faecalis, F+RNA.
To see a full list, check out our Testing & Certifications page. And we are always looking into new contaminants and undergoing new rounds of testing, so check back every so often, we may have added to our growing list!