Ordinarily, ka ea compressor aila kānana mea 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 plastic, a me nā mea ʻē aʻe. Hiki i ka kānana Duplex ke hana maʻalahi a me ka hoʻohana maʻalahi. Ma waho aʻe o ka bypass valve, 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.
