Perhaps most well-known is our Magnehelic gage, which has been an industry standard since its introduction in 1953.
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DWYER:1900-5MR
SKU: DWYER:1900-5MR
DWYER:DR-7031-153L-1
SKU: DWYER:DR-7031-153L-1
DWYER:RMA-12-SSV
SKU: DWYER:RMA-12-SSV
DWYER:DA-7031-153-9
SKU: DWYER:DA-7031-153-9
DWYER:AP-153-33
SKU: DWYER:AP-153-33
DWYER:DS-7231-153-5
SKU: DWYER:DS-7231-153-5
DWYER:1823-20
SKU: DWYER:1823-20
DWYER:A-102
SKU: DWYER:A-102