These special filters are 95% filtration efficacy, using a Nano-fiber material which has tested 95% filtration efficacy at MIT labs and UMASS labs. SEE FAQs for link to testing results. These can be interchanged for washable filters which are another type of filter which can be reused.
Biofilters: 95% filtration efficacy SEEUS95 Replaceable Filters: 10 pack/5 pairs
$25.00
Filter cartridges are PLA, made from plant cellulose and biodegradable. They can be replaced and reused for up to 60 washings.
Washable/Reusable Filters: 10 Pack
$25.00