Gem Bids For Spares, Differential Pressure Transmitter 0 To 4000 Mmh2o As Pertechnical Specification, Differential Pressure Transmitter 0To 1500 Mmh2o As Per Technical Specification, Differentialpressure Transmitter 0 To 1000 Mmh2o As Per Technicalspecification, Differential Pressure Transmitter 0 To 500Mmh2o As Per Technical Specification, Differential Pressuretransmitter 0 To 40 Psi As Per Technical Specification, Differential Pressure Transmitter Minus 250 Mmh2o To 500Mmh2o As Per Technical Specification, Differential Pressuretransmitter Minus 200 Mmh2o To 1000 Mmh2o As Pertechnical Specification, Differential Pressure Transmitterminus 500 Mmh2o To 500 Mmh2o As Per Technicalspecification, Differential Pressure Transmitter Minus 500Mmh2o To 0 Mmh2o As Per Technical Specification