Testo512-2 – Digital differential pressure measuring instrument with App connection

Testo 512-2 Manometer for Differential Pressure – Gas Flow and Pressure Measurement on Heating Systems, Air Conditioning, and Ventilation – Digital Manometer 0 to +800 InH2O - App Connectivity

Testo 0560 1510 510I Differential Pressure Manometer Smart and Wireless Probe, 1" Height, 1" Width, 6" Length

Pure Silicone Tubing - 1/8" ID x 1/4" OD - High Temp Kink-free Hose Tube 500F (10 Feet)