Salter Labs® Single unit variable venturi system delivering accurate concentrations of oxygen (24%, 26%, 28%, 31%, 35%, 40%, 50%) with a single unit. ■ Transparent, air-entrainment mask with soft anatomical form ■ Ideal for long-term users and edentulous patients. Better fit. ■ Easily adjusted, variable venturi system ■ Accurate concentrations of oxygen with single unit ■ Unique, springloaded mechanism locks prescribed concentration in place ■ Ensures safety and correct oxygen concentrations ■ Wide, adjustable elastic strap or over-the-ear style available in adult configuration ■ Fits comfortably in either configuration to hold mask in place ■ Durable, plastic humidity cup, standard ■ Allows utilization of a room air humidifier or nebulizer with mask when prescribed

The Percent-O2-Lock® air entrainment oxygen mask includes a rotating sleeve, opening and closing an air entrainment window. This provides the ability to deliver seven (7) fixed oxygen concentrations to a spontaneously breathing patient. Concentration levels are easily dialed and locked in. The dial-in air entrainment assembly is affixed to a standard aerosol mask. A high humidity adaptor permits use of a nebulizer with mask if prescribed. All units are preassembled with the dial pre-set at 24% The high humidity adaptor fits over and is pushed on until it locks on the post extending away from...