Amazon.com: BTMETER Manometer Gas Pressure Meter, Dual Port Manometro Pressure Differential Gauge Check Air Flow Pressure for HVAC Gas Furnace, Digital Manometer w/Backlight 12 Measure Units QX-1201 : Industrial & Scientific
MANOMETRO DE 0 a 200 PSI, CARATULA: 4", TOMA: 1/2" VERTICAL (T. INF) BRONCE MODELO: PFQ - Repuestos Industriales ??