Dwyer 1221-M1000-W/M U-tube manometer, 500-0-500 mm w.c. SKU: 17D1221M1000W/M List $79.99 Was: Now: $69.99
Dwyer 2-5040 Differential pressure gage, range 0-40" w.c., SKU: 17D1146894 List $95.35 Was: Now: $71.19