Nidek

NEO 5
Ultra-quiet performance, full purity in less than 3 minutes, self-monitoring alarm system.

MICRA 5
3.2-inch TFT display, mini and portable, advanced pulse dose oxygen delivery.

Other brands include BPL, Oxymed, Medtech Life, Faraday Ozone Products, Avalon Technologies, Creative OZ-Air India, Deluxe Scientific Surgico (DESCO), and Scaler.