Circle Specialty Kilp 4 Wheeled Walker with Seat, Extra Small Reclining Backrest White To check if the frame Legrest:Swing Away Legrest with 8.5"x6" Footplates (+ $59) To check if the frame is Reduced Size 1 – 3 Flow trigger sensitivity 1 – 9 l min Flow cycle 10% – 40% Apnea rate 4 – 60 BPM Tidal volume 0 – 2000 ml Minute ventilation 0 – 99 l min Leak rate 0 – 200 l min Respiratory rate 0 – 80 BPM Peak inspiratory flow 0 – 200 l min Peak inspiratory pressure 0 – 99 cm H20 Mean airway pressure 0 – 99 cm H20 Percentage patient triggered breaths 0 – 100% I:E ratio 9 Simple to disengage when walking skills improve Seat that folds up for walking and standing and down for sitting and resting