This design helps to prevent mis-cuffing. The manometer of the DIAGNOSTIX 720C is a 300mmHg no-pin stop design, with a black baked enamel finish. The extended scaleplate graduation marks of the meter reduce parallax, for easier viewing. The DIAGNOSTIX 720C's inflation bulb is fitted with a filter screen end valve to reduce dust build-up. The dip molded inflation bladder of this blood pressure monitor is built to withstand heavy use. The air release valve of this blood pressure monitor is chrome-plate brass, and offers precise deflation control. There are color options available for the ADC DIAGNOSTIX 720C blood pressure monitor.