ʻO ka pahu hoʻoheheʻe hanu hoʻoheheʻe maʻamau ka nui o kahi awa inflation, kahi awa pili hoʻomanawanui, kahi ʻāpana Y-like, kahi ʻupena threaded, kahi hopena maʻemaʻe, kahi hopena hui, a me kahi ʻeke mālama kinoea. Hana ʻia ka paipu kaula (ʻaʻole hiki ke hoʻonui ʻia) me ka polypropylene lāʻau lapaʻau, a ʻo ka ʻeke hoʻopaʻa kinoea i hana ʻia me ka ʻōpala maoli. ʻElua ʻano paipu kaapuni ma muli o ka lako ʻana me nā ʻeke ea mālama, ʻo Type I (me nā ʻeke ea mālama) a me Type 2 (me ka ʻole o nā ʻeke air). Hoʻokaʻawale ʻia nā ʻeke mālama kinoea i nā mana like ʻole: 0.5L, 1L, 1.5L, 2L, 3L, a me 3.5L. ʻO 30L/min ka helu kahe o ka hanu hanu, a ʻaʻole ʻoi aku ka piʻi ʻana o ke kaomi ma mua o 0.2 kPa. Pono e sterile ka huahana