A lice comb comprising: a main housing including a first aperture at a first end thereof and a second aperture at a second end thereof; a fan unit having an impeller provided within the main housing to draw air in through the first aperture and expel air outwardly through the second aperture; a comb module rotatably securable to a comb support unit adjacent a first end of the main housing, the comb module comprising a comb body including a channel extending from a first longitudinal side to a second longitudinal side and a tine module having a plurality of teeth, the tine module being located adjacent the first longitudinal side and being received in a tine slot located adjacent and parallel to the channel such that air drawn in through the channel passes across a first surface of the teeth; a tube provided on the second longitudinal side of the comb body to divert air that has passed through the channel, the tube being rotatably mounted to end mounts to allow the orientation of the teeth to be varied, the end mounts having internal chambers to receive air that has passed through the tube; a first internal conduit provided within a comb support housing on which the comb module is provided at a first end to transfer air from the end mounts to a second end of the comb support housing; and a filter bag receivable in the first end of the main housing, the filter bag including a rim around the first end thereof to be received in a groove in the first end of the main housing such that the filter bag may be released from the main housing by tipping the main housing; wherein the first internal conduit is received within the rim of the filter bag to engage with a lip portion on an inner surface of the rim. a main housing including a first aperture at a first end thereof and a second aperture at a second end thereof; a fan unit having an impeller provided within the main housing to draw air in through the first aperture and expel air outwardly through the second aperture; a comb module rotatably securable to a comb support unit adjacent a first end of the main housing, the comb module comprising a comb body including a channel extending from a first longitudinal side to a second longitudinal side and a tine module having a plurality of teeth, the tine module being located adjacent the first longitudinal side and being received in a tine slot located adjacent and parallel to the channel such that air drawn in through the channel passes across a first surface of the teeth; a tube provided on the second longitudinal side of the comb body to divert air that has passed through the channel, the tube being rotatably mounted to end mounts to allow the orientation of the teeth to be varied, the end mounts having internal chambers to receive air that has passed through the tube; a first internal conduit provided within a comb support housing on which the comb module is provided at a first end to transfer air from the end mounts to a second end of the comb support housing; and a filter bag receivable in the first end of the main housing, the filter bag including a rim around the first end thereof to be received in a groove in the first end of the main housing such that the filter bag may be released from the main housing by tipping the main housing; wherein the first internal conduit is received within the rim of the filter bag to engage with a lip portion on an inner surface of the rim.