Testo 557s AC Manifold Gauge Set with Bluetooth for HVAC Systems
The Testo 557s AC Manifold Gauge Set is ideal for HVAC/R professionals. It includes the 557s digital manifold, two 115i pipe clamp thermometers, and one 552i micron gauge. The set is designed for use with refrigerants R-12, R-22, R-134a, R-404A, and R-410A.