QANYEGN Handheld Digital Manometer, HT 1890 Air Pressure Differential Gauge, HVAC Gas Pressure Tester with 11 Selectable Units 68.39$
Manometer, AP-189A Professional Gas Pressure Tester, Dual-Port Manometer Air Pressure Meter, 11 Selectable Units Differential Pressure Gauge, HVAC Digital Manometer with Backlight Data Record 48.99$
Dwyer Series Mark II 25 Molded Plastic Manometer, Inclined-Vertical Scale, 0 to 3 inH2O Measuring Range, Red Gauge Fluid, 0.826 sp. gr. 94.03$
PerfectPrime AR168, Professional Digital Air Pressure Meter & Manometer to Measure Gauge & Differential Pressure ±20.68kPa / ±3psi / ±83.02inH2O 58.99$
Perfect-Prime AR1890P1, Digital Air Pressure Manometer to Measure Gauge & Differential Pressure ±13.79kPa / ±2 psi / ±55.4 H2O with 304 Stainless Steel Static Tube 5.13" x 2.34" Length 73.99$
Digital Low Pressure Gauge with 1/4'' NPT Bottom Connector and Rubber Protector by Uharbour, 0-60 psi, Accuracy 1%, Resolution 0.1psi 17.99$
Testo 510 dual input (0 - 100 mbar) differential manometer for Isolation, Negative and Clean Rooms Save 31.00$ 198.00$
Pyhodi Digital Manometer, Recahrgeable Data Recording LCD Display Multifunction Air Pressure and Tempure Differential Gauge Tester with a Storge Box 181.78$
BTMETER Manometer HVAC Gas Pressure Tester 189A, Dual-Port Air Pressure Meter Gauge with Hose Kit Measure Static Pressure Differential Gas Pressure for Furnace Water Column 59.99$
FOSHIO FT410 Digital Manometer Dual Port Air Pressure Meter HVAC Gas Pressure Tester with LCD Display (Battery Excluded) 55.99$
Manometer Gauge Gauge Draft Gauge Static Pressure Probe Static Pressure Meter,Differential Pressure Gauge Clean Room HVAC Filter Detection with Pointer Vacuum Components 48.54$