An emanation device is described which comprises: a replaceable refill of liquid containing one or more active materials wherein the active material comprises at least one of a fragrance an insecticide a fungicide a pesticide a sanitising material and/or a pharmaceutical wherein the refill comprises a sealed reservoir containing said volatile liquid and a porous wick which extends from the interior of the reservoir to the exterior thereof and wherein the device comprises: an air pump a fluid conduit in fluid communication with the air pump such that in use, air pumped by the pump will flow through the fluid conduit a nozzle iocated at the end of the fluid conduit remote from the air pump a ejector constriction provided in Ihe fluid conduit adjacent or substantially adjacent the nozzle a liquid conduit provided adjacent the ejector constriction and in fluid communication with the fluid conduit at one end thereof, and open at the other end to receive liquid therein characterised in that the liquid conduit is located within the porous wick.
