The oxygen conserving technology built-in to the conserver regulators is also available for use on stationary liquid oxygen bases. The Escort Link can be connected directly to any base unit to extend the supply of oxygen. Weighing only 0.23 kg / 8 oz, the unit clips securely to a belt or waistband and operates on both continuous and pulse mode. PULSE FLOW SETTINGS 0 | .25 | .50 | .75 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 4.0 | 5.0 | 6.0 CONTINUOUS FLOW SETTINGS 0 | .25 | .50 | .75 | .40 | .50 | 1.0 | 1.5 | 2.0 | 2.5 | 3.5 | 4.5 3:1 Conservation Small and ultra-lightweight, weighing only 0.23 kg / 8 oz Clips to a belt or waistband Provides both continuous and pulse modes Continuous flow available on all settings No batteries required For use with dual lumen cannula Soft Touch 12 position flow control knob