DRESSING, HYDROCELLULAR N BORDER FM 10.5CMX10CM (10 BX 10B Room ID Flag Systems The Baum Pocket Aneroid is 17170 The Baum Pocket Aneroid is a 300 mmHg portable instrument * It's built to agree with our master instruments which are traceable to the United States National Institute of Standards and Technology * It complies with ANSI AAMI SP 9 for accuracy and performance (1% full scale + 3 mmHg) * The unique high contrast scale and red pointer increase visibility and reduce parallax error * They are manufactured with a precision low friction movement and twin pre seasoned phosphor bronze diaphragm capsules * Top diameter: 4 Foam Dressing Allevyn Life 4 X 4 Inch Without Border Non Adhesive Square