of the first section 36 the second outlet aperture 43 is adapted to discharge the second fluid from the hollow interior 42 of the first section 36 typically the second fluid is oxygen or air although other fluids can be used additionally the first fluid and the second fluid may have different water vapor partial pressures or humidity levels the second section 38 has a hollow interior 52 formed therein the interior 52 of the second section 38 is adapted to receive a portion of the air humidification module 34 the interior 42 of the first section 36 and the interior 52 of the second section 38 cooperate to form a hollow chamber within the housing 32 which receives the air humidification module 34 therein a first channel 54 and a second channel 56 are formed in an inner surface 58 of the second section 38 as more clearly shown in fig3 the first channel 54 and the second channel 56 of the second section 38 are respectively aligned with the first channel 46 and the second channel 48 of the first section 36 to form a first annular channel and a second annular channel in the housing 32 a first outlet aperture 60 is formed in the second section 38 and is adapted to discharge the first fluid from the hollow interior 52 of the.