For nasal administration, expansion chamber as recommended by the FDA for the estimation of the deposition in the respiratory tract. The configuration consists of an expansion chamber (in which the nasal aerosol is generated) assembled to an impactor (e.g. an ACI, NGI, etc.). Three different sizes: 1 L for powder aerosols, 2 L and 5 L for liquid sprays. Comes with a clamp and adapter between glass and NGI. Optionally with a stand for the 5 L chamber. Adapters available for the insertion of the device.