Mastercool 98772-ISN Dual Gas Manifold Gauge Set R12/R134A

The Mastercool 98772-ISN is a professional-grade dual refrigerant manifold gauge set designed for servicing both R-12 and R-134a air conditioning and refrigeration systems. This versatile gauge set features precision-machined brass manifolds and large, easy-to-read 2-1/2 inch diameter gauges for accurate pressure monitoring.

Key Features:

• Compatible with R-12 and R-134a refrigerants
• Large 2-1/2 inch diameter gauges for easy reading
• Manual shut-off valves for precise control
• High-quality manual style couplers for secure connections
• Includes three 72-inch barrier hoses with standard 1/4" SAE fittings
• Precision-machined brass manifold body
• Color-coded gauge faces (blue for low pressure, red for high pressure)

Mastercool manifold gauge sets are constructed from premium materials and engineered to meet the demanding requirements of professional technicians. The robust design ensures reliable performance and long service life in automotive, commercial refrigeration, and HVAC applications.