Perhaps most well-known is our Magnehelic gage, which has been an industry standard since its introduction in 1953.
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DWYER:RSM-1-A
SKU: DWYER:RSM-1-A
DWYER:RSM-2-A
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DWYER:RSM-4-A
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DWYER:RSM-2-B
SKU: DWYER:RSM-2-B
DWYER:657C-1
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DWYER:657-1
SKU: DWYER:657-1
DWYER:RHP-2N40
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DWYER:RHP-2W20
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DWYER:A-277
SKU: DWYER:A-277