- Definition: ʻO kahi kānana piʻi kiʻekiʻe e hiki ai i nā alapine kiʻekiʻe ke hele aʻokiʻoki, a hoʻoemi paha i nā ala liʻiliʻi.
Eia nō hoʻi iʻikeʻia e like me: ke kānana liʻiliʻi iʻole ke HPF
Hoʻohālike: Ke hoʻohanaʻia nei kahi kānana piʻi kiʻekiʻe i kahi pūnaewele no kaʻaeʻana i nā alapine kiʻekiʻe e loaʻa i ka wā e holoi ai aʻokiʻana paha i nā alapine haʻahaʻa. Hoʻopiliʻia kahi filter filter kiʻekiʻe me nā mea'ōlelo liʻiliʻi e hoʻokuʻu i nā kīʻaha aiʻole nā ala liʻiliʻi.