small round UI Control Knob (Dial) for PR System One REMstar Series CPAP & BiPAP machines

Description This is the little round UI Control Knob (Dial) that sits on top of all PR System One CPAP and BiPAP machines. The handle is utilized to control the machine's different settings and capacities as well as to turn the machine on and off.The System One UI Control Knob is dull, charcoal dark in variety with a silver trim around the edge. The sides of the handle are furrowed to make them simple to grasp. COMPATIBILITY:This Control Knob comes standard with every one of the "60 Series" System One CPAP and BiPAP machines - - REMstar Plus 260, REMstar Pro 460, REMstar Auto 560, BiPAP Pro 660, BiPAP Auto 760, and so forth. It can likewise be utilized to supplant the lighter dim Control Knob saw as on every one of the "50 Series" System One CPAP and BiPAP machines - - REMstar Plus 250, REMstar Pro 450, REMstar Auto 550, BiPAP Pro 650, BiPAP Auto 750, and so forth. INSTALLATION:Whenever an old UI Knob is eliminated or lost a little metal ring from within it can once in a while stall ou