Perhaps most well-known is our Magnehelic gage, which has been an industry standard since its introduction in 1953.
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DWYER:475-0-FM
SKU: DWYER:475-0-FM
DWYER:475-4-FM
SKU: DWYER:475-4-FM
DWYER:HP-1C
SKU: DWYER:HP-1C
DWYER:200068-51
SKU: DWYER:200068-51
DWYER:A-337
SKU: DWYER:A-337
DWYER:2002VA32-230-QS
SKU: DWYER:2002VA32-230-QS
DWYER:HM35-1
SKU: DWYER:HM35-1
DWYER:HM35-2
SKU: DWYER:HM35-2