Innovation and know-how in pressure and flow from DEHAS. The basic module of the QualityMix blender is a 2-chamber mixing system for oxygen and air. The blender regulates the target value between 21% and 100% oxygen precisely and quickly. Here in the compact version with 2 permanently installed flowmeters 0 – 15 l/min O₂/AIR and 0 – 1 l/min O₂/AIR.