
Ngaahi mīsini toʻo hauhau rotor honeycomb ʻoku aʻu honau māfana kamata ai e tulutaá ki he −40 °C, ki he ngaahi resini ʻoku vave ʻenau miti hauhau hangē ko e PA, PC, PBT mo e PET, 50-1000 m³/h.
ʻE ala liliu ʻa e ngaahi fakamatala makehe ʻo ʻikai tomuʻa fanongonongo.