Mastercool 99903 4-Way Digital HVAC Charging Manifold

Mastercool 99903 4-Way HVAC Digital Manifold reads over 60 refrigerants, records and store up to 24 hours of data, and displays Pressures, Saturated, Actual, Superheat and Subcool Temperatures. Mastercool 99903 also has a ball valve design that includes 3/8” bore through the block, for increased flow.