CLIP, NOSE DISP RUBBER F/SPIROMETRY (200/CS) McKesson Nose Clips Easy-to-use nose clip for spirometry testing Reduces air loss through the nasal cavity for accurate readings Ideal for use during breathing treatments with Peak Flow Meters White plastic design White rubber nose pads help provide patient comfort and maintain positioning effective testing Spring action for effective positioning Comfortable fit for all sizes For single patient use Not Made with Natural Rubber Latex Packaged: 200 Per Bag