Abstract: A product dispensing system comprises a calibrated nebulizer having a nebulizer jet, mouthpiece, means for sourcing compressed air, a manifold for distributing the source of compressed air in at least one direction, a nebulizer accommodation means which is accessed by port, and a valve means for controlling the manifold and thereby the flow of compressed air to the port. The manifold and the port are linked by a length of tube, wherein the internal volume of the tube from the manifold outlet to the nebulizer jet is less than 0.7 ml.

Abstract: In a guttering arrangement, a guttering element defines a seat adapted to receive an end of a length of guttering. The seat is provided with a channel receiving a sealing strip intended to be in sealing engagement with the exterior of the length of guttering. The element is provided with two separate clips mounted on the element, each clip having a portion directed inwardly across the seat adapted to engage and retain an edge of the said length of guttering. Each clip has a portion defining connecting formations adapted to engage corresponding co-operating connecting formations formed on the exterior of the part of the element defining the seat. The clip has a limited degree of movement.