Dwyer 1222-M1000-W/M - Flex-Tube U-Tube Manometer, Range 500-0-500 mm w.c. | TEquipment
Amazon.com: Dwyer Series Mark II 25 Molded Plastic Manometer, Inclined-Vertical Scale, 0 to 3 inH2O Measuring Range, Red Gauge Fluid, 0.826 sp. gr. (Limited Edition) : Industrial & Scientific
Dwyer Instruments - DPG-105 - Pressure Gauge, 4-Digit Display, 100 psi, +/-0.25% Accuracy, NEMA 4X, DPG Series - RS
Dwyer® Liquid Filled Wall Mount Manometer, Mark II 25, 0-3" w.c, 3% Accuracy: Amazon.com: Industrial & Scientific
Series 605 Magnehelic® Indicating Transmitter | Dwyer
Series 475 Intrinsically Safe Handheld Digital Manometer | Dwyer
Series 476A & 478A Digital Manometer | Dwyer Instruments