This is a guide to help you select the correct size mask system. There is no guaranty on mask sizing from using this information. No refunds will be given on any "opened" mask purchase. Measure carefully. Actual Sizing templates are available by mail. We would be happy to send you one for free. (Specify full face or nasal mask template)
See Measuring Diagrams below
Nasal Mask - Measure your actual nose size from top to bottom and side to side
(NOTE: Some masks only come in a few sizes, so you will have to choose the closest one)
Petite (1 ½ tall, 1 ½ wide)
Small (1 ¾ tall, 1 ½ wide)
Medium-Small (2 tall, 1 ½ wide)
Medium Wide (1 ¾ tall, 2 wide)
Medium (2 tall, 1 ¾ wide)
Large (2 ¼ tall, 2 wide)
Large Narrow (2 ½ tall, 1 ½ wide)
Shallow (2 tall, 1 ¾ wide, 1 1/4 deep or less)
Standard (1 ¾ to 2 tall, 1 ¾ wide)
Full Face Mask - Make sure top fits at bridge of nose, and bottom covers mouth completely.
Small - 3 ¼ inches high, 2 ¾ inches wide at the mouth
Medium - 3 ½ inches high, 3 ¼ inches wide at the mouth
Large - 4 ¼ inches high, 3 1/4inches wide at the mouth
Hans Rudolph Full Face - Measure from top of nose to bottom of chin
Large - 5.0 inches tall or more
Medium - 4.5-5.0 inches tall
Small - 4.25-4.5 inches tall
Extra Small - 4.0 inches tall
Petite - 3.5 inches tall
Note: The Hans Rudolph Full Face mask is measured to the bottom of the chin.
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