ʻO Filterpur kāu hoa hana i ka ʻenehana hoʻomaʻemaʻe wai. Mai ka makahiki 2013, ua loea mākou i ka R&D, ka hana ʻana, a me nā hoʻonā ʻōnaehana no nā kānana hoʻomaʻemaʻe wai a me nā papa wai i hoʻohui ʻia. Ke hana nei me nā kūlana maikaʻi ISO9001, ʻelima mau hale hana holomua, a me ka hoʻokō ʻana i ka "Quality, Professionalism, Integrity, and Innovation," hāʻawi mākou i nā hoʻonā wai maʻemaʻe palekana, kūpono, a hoʻomau no kahi honua olakino.