.15/.5"WC Low Differential #Sw
.15/.5"WC Low Differential #Sw
.15/.55" Differential # Switch
.15/1.5" SPDT Pressure Switch
.2/2"WC Differential # Switch
.2/2SCFH Flowmeter W/Brass Vlv
.2-1" # Switch; Visible Set Pt
.2-1.0" FloatingContactNullSw
.25"WC Digital Diff. # Gage
.25/0/.25" Magnehelic # Gage
.25-0-.25 PHOTOHELIC GAGE
.25-0-.25"wc DiffPresTrsmW/LCD
.3/1"WC Low Differential # Sw
.4/1.6" Differential # Switch
.4/1.6" M/R Diff. # Switch for Dwyer Instruments Part# 1900-1MR
.4/1.6" XPrf Differential # Sw