






🛠️ Master the cool with precision and durability that professionals trust!
The Mastercool 66661 Brass Manifold Gauge Set is a U.S.-designed and assembled HVAC tool featuring a heavy-duty forged brass body, free-floating piston valves for reduced wear, and 2.5-inch silicone-dampened gauges with color-coded refrigerant indicators. It includes an extra access port for vacuum lines, making it a reliable, long-lasting choice for HVAC professionals seeking accuracy and efficiency.





| Manufacturer | Mastercool |
| Brand | MASTERCOOL |
| Model | R134a/R12 Brass Manifold Gauge Set with 3-60" Hoses and Economy Couplers |
| Item model number | 66661 |
| Manufacturer Part Number | 66661 |
| Item Weight | 45.4 g |
Trustpilot
1 week ago
1 month ago