Abstract: An aerosol generator assembly comprising a vibratable piezo ceramic body (2) having first and second opposing sides, an aperture (o) defined in the vibratable body and extending through the body from the first side to the second side and having a layer of electrical contact material on each side of the vibratable body, the vibratable body being vibratable by application of an electrical signal thereto; a vibratable member (1) with pores defined therein, the vibratable member mounted across the aperture; and an electrical contact material free-zone (4) is provided on at least one side of the body about the aperture, characterized in that the electrical contact material free-zone and the vibratable member are dimensioned so that the vibratable member is mountable directly onto the vibratable body on top thereof within the electrical contact material free-zone such that a gap area free of electrode contact material is formed between the terminating edge of the electrical contact material and the periphery of the

Abstract: An aerosol generator assembly comprising a vibratable piezo ceramic body (2) having first and second opposing sides, an aperture (o) defined in the vibratable body and extending through the body from the first side to the second side and having a layer of electrical contact material on each side of the vibratable body, the vibratable body being vibratable by application of an electrical signal thereto; a vibratable member (1) with pores defined therein, the vibratable member mounted across the aperture; and an electrical contact material free-zone (4) is provided on at least one side of the body about the aperture, characterised in that the electrical contact material free-zone and the vibratable member are dimensioned so that the vibratable member is mountable directly onto the vibratable body on top thereof within the electrical contact material free-zone such that a gap area free of electrode contact material is formed between the terminating edge of the electrical contact material and the periphery of the

Abstract: An inhalation mask (1) for fitting to a snout of an equine animal or an animal having an equine shaped snout is provided and comprise: a unitary mask body (6) defining a housing with an open end (11) which is adapted to overfit and accommodate the snout of the animal. The open end (11) of the housing being an integral part of the housing and forming a deformable seal about the open end (11) for sealing about the snout of the animal, wherein the open end (11) of the housing comprises a deformable lip (10) which forms the deformable seal, the lip (10) being formed by a continuation of a side wall (7) forming the mask body (6), which when the mask (1) is fitted, turns back inward upon itself, into the open end (11) of the mask (1), so that the lip (10) engages with the animal's snout to support the mask body (6) on the snout.