Ordinarily, ka ea compressor aila kānana he coarse kānana i hoʻokomo 'ia i ka inlet o ka aila pauma, pela e pale aku i na haumia' komo i loko o ka pauma.He mea maʻalahi kēia ʻano kānana.He haʻahaʻa haʻahaʻa kona kūʻē akā nui ka kahe ʻaila.Hoʻopaʻa ʻia ka faila kiʻekiʻe ma luna o ka paipu hoʻihoʻi ʻaila o ka ʻōnaehana hydraulic, no ka kānana ʻana i nā ʻāpana metala, nā haumia plastik, a me nā mea ʻē aʻe.Hiki i ka kānana Duplex ke hana maʻalahi a me ka hoʻohana maʻalahi.Ma waho aʻe o ka valve bypass, ua hoʻolako pū ʻia me ka pale ʻana a i ʻole ka pollution warning device, i mea e hōʻoia ai i ka palekana o ka ʻōnaehana.
