A monolithic or single substrate AC gas discharge display constructed of gas filled microspheres positioned on a substrate in electrical contact with two or more electrode. A substrate containing active areas isolated from each other by isolation structures protruding from the substrate is provided. The exhaust recirculation system also includes a recirculation compressor configured to receive and compress at least a portion of the exhaust gas. The razor head has a chamber which receives the attachment means of the handle when the razor head and the handle are fastened together.