Work bench with self-contained air cleaner

摘要

A work bench and air filter unit are combined in the present invention in a compact configuration by locating two or more air filter units below a work bench and arranging two or more air filter units in parallel with an extraction fan. An improved extraction efficiency is achieved by providing an enclosure located above the work bench wherein the back wall of the enclosure is angularly inclined forwardly at an angle of about 75 DEG with respect to the work platform, an air extraction slot being formed in the back wall communicating with an air plenum which is disposed rearwardly of the back wall through which air is withdrawn from the enclosure.