TSI Straight Airflow Probe 18 inches (46cm) - 800187 testo 557 Raised edge flow control The

Raised edge flow control The perimeter lip channels water toward the centre to minimise spillover and slip hazards in tight service zones

genuine Hydrocell spare made for techs who want their washer hose to stay locked on tight

Housing Material: ABS + PC / TPE

Accuracy: 3% of reading

TSI Straight Airflow Probe 18 inches (46cm) - 800187 testo 557 Raised edge flow control TheOptimize your HVAC testing and balancing with the AccuBalance 5 16 diameter, 18 inch straight airflow probe. This tool is expertly designed for professionals needing accurate air velocity and volume measurements within ductwork. Ideal for small diameter ducts, this probe facilitates comprehensive duct traverses and precise face velocity measurements. Key Features and Specifications Diameter and Length: 5 16" diameter, 18 inches long, allowing for easy