The Palm Aneroid Sphygmomanometer by Labtron is a convenient, compact and hand-held device. It features and integral gray, ribbed, latex-free inflation bulb with dust filter and a durable aluminum manometer with large, easy-to-read 65mm dial. The deluxe push-button air release valve and versatile rotating bulb and valve enable easy and ambidextrous use. The sphygmomanometer is supplied with a nylon cuff and latex-free, one-tube bladder as well as a deluxe nylon carry case. It is available in a choice of adult, large adult and child sizes and comes with a 20-year calibration warranty.