Overview Reviews Product Description Mastercool 69HAVC Ultima ID HVAC Refrigerant Identifier Product Videos Custom Field MPN 69HAVC Product Reviews Write a Review Write a Review × Mastercool Mastercool 69HAVC Ultima ID HVAC Refrigerant Identifier Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *